A2dI2elAWlTo

Comp

LoLEE

wee_loo_kalee_tat_leong@

Abstract: We 2012) commudesigned and In a ground-up2009) of physequipment andlibrary of comAdvanced LevWe hope othelearning activiThis is an eduof Education (

Keyword: Ble

Lead school

RVHS

AJC

AJC

IJC

YJC

SRJC

puter Mod

oo Kang LawE2, Weiming

L

ang@moe.gov.sg@moe.edu.sg, xu_w

peow@

are teachers wunity's work animplemented p teacher-lead

sics educators d computer m

mputer models vel Physics sy

er teachers wouities and share

uLab (MOE, 20(MOE) Singapended Learning, S

Sim

Table 1: Sum

Customizemo

Collision c

Collision ca

Falling magsole

Rippl

Geostatio

Field strengt

Earth-

Kepler’

Superposi

Parallel Session

dels Design

wrence WEE1

g XU2, Giam Ling LIM6, W

1Ministry 2Ministr

3Min4Min

5Minis

6Minist

7National In

g, lim_ai_phing@weiming@moe.ed

@moe.edu.sg, lim_

who have benend we would lin five school

dership (MOE,and improve s

models where ainto suitable l

yllabus (SEABuld find these e them to bene012b; Wee, 20pore. Simulations, Com

mulations active le

PACS

mmary of schools

ed computer odel

carts (ideal)

arts (realistic)

gnet through enoid

le tank

onary orbit

th & potential

-Moon

s 3rd law

tion waves

Oral Prese

02.09|Date & Tim

n for Teac

1, Ai Phing LHwee Jimmy

Wee Leng Joof Education, Edu

ry of Education, R

nistry of Education

nistry of Educatio

stry of Education,

try of Education, S

nstitute of Educatmoe.edu.sg, goh_du.sg, goh_giam__chew_ling@moe

efited from thelike to share ss grade 11 to , 2010) approastudents' learnappropriate . Wlearning envir

B, 2010, 2012)computer mo

efit all humank010) project fu

mputer Models, Opearning, education

S: 01.50.H- 91

s leading in the r

Originaauthor and

codFrancisco

Fu-KwunAndrew

Francisco Fu-Kwun

Andrew

Francisco

AndrewJuan Agui

Fu-KwunFrancisco

Fu-KwunAndrew

Fu-KwunAndrew

Fu-KwunTodd Tim

WolfgangFu-Kwun

entation [PS.02.09

me: 02.07.2012 /

ching and L

LIM2, Khoony Goh3, Chee

oshua YEO6, ucation Technolo

River Valley High

n, Yishun Junior C

on, Innova Junior

, Anderson Junior

Serangoon Junior

tion, Nanyang Te_khoon_song@mo_hwee@moe.edu.e.edu.sg, yeo_wee

e Open Sourceome of the co12 classes. ach, we came tning experiencWe will share cronments for in. dels useful ankind, becominunded by the N

pen Source Physin, e-learning, app

1.10.-v 96.20.J

research and imp

al model d sub-author des* Esquembren Hwang*

w Duffy* Esquembren Hwang*

w Duffy*

Esquembre

w Duffy rregabiria* n Hwang* Esquembren Hwang* w Duffy n Hwang*w Duffy n Hwang*mberlakeg Christian n Hwang*

9.a] The World C

13:00 - 14:30|Hal

Learning u

n Song Aloyse Wah ONG4

Matthew ONogy Division (ETD

h School (RVHS)

College (YJC), Si

College (IJC), Sin

r College (AJC), S

r College (SRJC),

echnological Univoe.edu.sg, matthesg, ong_chee_wa

e_leng@moe.edu.

e Physics (Bromputer model

together to leaes through sui

computer modnquiry of phys

nd remix them ng citizens for National Rese

cs, Teacher Educplet, design, GCE

Jz 04.80.-y 9

plementation of t

Figure

1

2

3

4

5

6

7

8

9

Conference on Phy

ll: D403 (3rd Floo

using Easy

ius GOH5 , S4, Soo Kok NNG1,KennethD), Singapore

), Singapore

ingapore

ngapore

Singapore

, Singapore

versity, Singaporeew_ong@moe.govah@moe.edu.sg, .sg, kenneth.lim@

own, 2012; Chls and lesson p

arn, advancingitable blend (J

dels that we hasics customize

to suit their owthe world. arch Fund (NR

ation, teacher pro Advance Level p

96.20.Jz

the lessons with c

Number of teachers

3

3

8

5

6

7

ysics Education 1

or)

y Java Sim

Sze Yee LYENG4, Ee-Peowh Y T LIM7

e v.sg, lye_sze_yeeng_soo_kok@mo

@nie.edu.sg

hristian, 2010; packages that w

g the professioJaakkola, 2012ave remixed fred (Wee & Ma

wn context, de

RF) Singapore

ofessional developphysics

computer model

Number of students

242

67

198

77

250

145

-6 July 2012

1/26

mulation

E1, Tat Leongw LIM5, Chew

e@moe.gov.sg, oe.edu.sg, , lim_e

Esquembre, we have

onalism (MOE2) of real rom existing ak, 2009) for t

esign better

e and Ministry

pment, Easy Java

l

fScaling up

other schools

SRJCIJC

On going

RVHS, SRJC

YJC RVHS

On going

On going

g w

e-

E,

the

y

p in

s

g

g

g

c

c

fL

i

cc“g

We use a create comput

Building ocommunity suSimulation (Efree to redistriLaboratory (H

In chronolinteractively e

Aligned tocurriculum, ascomputer mod“particular intgiving to it the

Figure 1. Co

free authoringter models as ton open sourcuch as Fu-Kw

EJS) computer ibute and use u

Hwang, 2010) alogical order oengage (Hake, o our goal of sssessment and dels can be usterests and edueir own flavor”

ollision carts (ide

Parallel Session

g toolkit calletools for interace codes shar

wun’s NTNUJAmodels (Figurunder creativeand our workinof implementa1998) our stud

scaling up (Depedagogy (M

sed and furtheucational poin” (Esquembre

al) model (Wee, 2mathematic

Oral Prese

02.09|Date & Tim

I.

ed Easy Java active engagemred by the OpAVA Virtual re 1 to 9) thate commons attng Google site

ation of the lesdents, making

ede, 2007) meaMOE, 2008) weer customized nts of view, an, 2002).

2012b; Wee & Escal representation

entation [PS.02.09

me: 02.07.2012 /

. INTRODUC

Simulation (Ement (Adegokepen Source PhPhysics Laborwe hope manytribution licene https://sites.gssons, these arg physics comeaningful use oe would briefly(Wee & Mak

nd combine the

squembre, 2008) ds to illicit predicti

9.a] The World C

13:00 - 14:30|Hal

CTION

EJS) (Esqueme, 2012; Hake,hysics (OSP) ratory (Hwangy teachers wil

nses from Digigoogle.com/sitre the lessons e ‘alive’ and leof information y describe Fig

k, 2009) as scie use of a corr

derived from Franive thinking abou

Conference on Phy

ll: D403 (3rd Floo

mbre, 2012) tha, 1998) in phycommunity,

g, 2010), we l find useful. Tital Library in te/lookang/. with compute

earn through mand commun

gure 1 to 9 on ientific inquiryrect pedagogic

ncisco’s original wut the concepts.

ysics Education 1

or)

at allows ordisics educationand with helpcustomized seThey are all do NTNUJAVA

er models that meaningful plaications technthese computey tools, suitincal approach w

work (Esquembre

-6 July 2012

2/26

inary teachersn. p from the Oeveral Easy Jaownloadable a

A Virtual Phys

we have useday (Lee, 2012).nology (ICT) iner models. Theng teachers’ owwith the sense

e, 2009) showing

s to

OSP ava and sics

d to . nto ese wn

e of

Figure 2. Col

Figure 3. Fallin

llision carts (realis

ng magnet througlo

Parallel Session

stic) model (Weegr

gh solenoid modelong solenoid show

Oral Prese

02.09|Date & Tim

, Esquembre, & Lraphs showing rea

l (Wee, Esquembrw and the resultan

entation [PS.02.09

me: 02.07.2012 /

Lye, 2012) derivealistic spring mod

re, & Lee, 2012) dnt induced voltage

9.a] The World C

13:00 - 14:30|Hal

d from Franciscodelled during colli

derived from Frane as the short bar

Conference on Phy

ll: D403 (3rd Floo

’s original work (isions

ncisco’s original wmagnet falls thro

ysics Education 1

or)

(Esquembre, 2009

work (Esquembreough.

-6 July 2012

3/26

9) with 3 scientifi

e, 2010b) showing

ic

g a

Figure 4. Ri

Figure 5. Ge

ipple tank model represent

eostationary orbit

Parallel Session

(Wee, Duffy, Agutation of crest and

t model (Wee, 201

Oral Prese

02.09|Date & Tim

uirregabiria, & Hd scalar field disp

12a; Wee & Esqugeostationary o

entation [PS.02.09

me: 02.07.2012 /

Hwang, 2012) derilay of the interfer

uembre, 2010) derorbit (red) and a p

9.a] The World C

13:00 - 14:30|Hal

ived from Andrewrence pattern due

rived from Francipolar orbit (white)

Conference on Phy

ll: D403 (3rd Floo

w’s original work to 2 point source

isco’s original wo)

ysics Education 1

or)

(Duffy, 2010) shs S1 and S2.

ork (Esquembre, 2

-6 July 2012

4/26

howing pen paper

2010a) showing a

Figure 6.

Figure 7. Earth-

Two mass model

-Moon model (W

Parallel Session

l (Wee, Duffy, &

Wee, Duffy, & Hwof the moo

Oral Prese

02.09|Date & Tim

Hwang, 2012a) dgravitational

wang, 2012b) derivon and earth syste

entation [PS.02.09

me: 02.07.2012 /

derived from Andand potential line

ved from Andrewem useful for expl

9.a] The World C

13:00 - 14:30|Hal

drew’s original woes in 1 dimension

w’s original work (loring escape velo

Conference on Phy

ll: D403 (3rd Floo

ork (Duffy, 2009)

(Duffy, 2009) shoocity concept.

ysics Education 1

or)

) showing a 2 mas

owing a 1 dimens

-6 July 2012

5/26

ss system with

ional realistic mo

odel

Figure 8. Kepl

Figure 9. Supe

ler’s 3rd Law syste

erposition of wav

Parallel Session

em model (Timbeth

es model (Wee, C

Oral Prese

02.09|Date & Tim

erlake & Wee, 20heir orbital trails f

Christian, & Hwanan

entation [PS.02.09

me: 02.07.2012 /

11) derived from for data collection

ng, 2009) derivednd their resultant

9.a] The World C

13:00 - 14:30|Hal

Todd’s original wn of periods of pla

d from Christian’s(red)

Conference on Phy

ll: D403 (3rd Floo

work (Timberlakeanets.

s original work (C

ysics Education 1

or)

e, 2010) showing

Christian, 2008) sh

-6 July 2012

6/26

earth and mars an

howing 2 function

nd

ns

T

A

mIt

pa

d

B

(q

ma

Table 2: ResearcSchool RVHS AJC Expe

A. RVHS

1) Setup The studen

model (Wee, Inspired by Phthe language o

2) Worksh

The workspredict-observappropriate an

3) Limitat

Using thedifficulties in

B. AJC

1) Setup

Figure 10. Lesso

The studen(Wee, Esquemquestions (Mc

2) WorkshThe works

motion in frictand opposite a

ch methods used Resear

Lesserimental with

nts are seated 2012b; Wee hysics Educatof local studen

heet sheet (VI Appve-explain (Lienswers to cons

tion of study lesson studyreviewing the

on classroom seatiinquiry w

nts are seated imbre, & Lye, cDermott, et alheet sheet (VII Apptionless surfacand on differen

Parallel Session

by school River rch Method on study

h pre-post test

in groups of & Esquembreion Research

nts.

pendix A) usesew & Treagusolidate and ex

y approach, lilarge amount

ing arrangement iworksheet questio

in groups of fi2012). The in

l., 1995), to su

pendix B) conces) and Newtont bodies).

Oral Prese

02.09|Date & Tim

Valley High SchStu

analysis

3 to 4 and are, 2008). The by Curtis J. H

s open ended st, 1995) stratextend their und

imitations of of video foota

in AJC. Each studons modified from

ive and are equnquiry questio

uit the content

ntext of 2 glideon’s Third Law

entation [PS.02.09

me: 02.07.2012 /

II. METHO

ool (RVHS) and udents in exper

24267

e equipped wquestions in

Hieggelke, to s

scenarios of thegy, to allow sderstanding tha

the study inage of the lesso

dent uses a personm Physics by Inqu

uipped with thons in the worof local curric

ers aims to prw of Motion (

9.a] The World C

13:00 - 14:30|Hal

ODS Anderson Juniorimental group27

ith the workshthe workshee

suit the particu

he 3 different students to disat can be simu

nclude relianceon.

nal laptop with theiry (McDermott,

he worksheet arksheet were

culum and lang

romote concepvarying contac

Conference on Phy

ll: D403 (3rd Floo

or College (AJC) p Students in

heet and a lapet were adapteular interest o

collisions witscuss and collalated using the

e on teachers

e Collision carts (Shaffer, & Rosen

and a laptop loadapted from guage.

ptualization of ct forces prese

ysics Education 1

or)

n control group0 62

ptop loaded wed from the Nof the teachers

th lesson desigaboratively dee computer mo

s’ subjective

(realistic) computnquist, 1995)

oaded with the the Physics b

f Newton’s Firent during coll

-6 July 2012

7/26

p Teachers33

ith the compuNewtonian Tas, curriculum a

gn influenced cide on the model.

observation a

ter model aided w

computer moby Inquiry (PB

rst Law (unifolision only, equ

uter sks and

by most

and

with

del BI)

orm qual

tadk

ps

A

p

(

c

t

BT

csps

The worksto conceptualiasked to interdifferent instaknowledge co

3) Limitat

Using the pre/post-test tschool practic

A. RVHS

Some otheWe includ

processes duri

1) Need fo “Students

(tutorials – all

2) Compu “Students “(TH, YS

convince the o “They did

to just focus o

B. AJC Table 3: Experim

NN

No

Table 3 sucontrol group students that impre test scoresstandardized m

The averag

sheet focuses oize the same Nrpret the f-t anants. The questnstruction is th

tion of study classical pre

to their abilitiees.

er teachers wende excerpts of ing the laborat

or well scaffol

have difficulty open and shu

uter model can

are not easily

and B) When other student (Y

not return to ton theories whi

mental and contr

No. of students No. of students

. of students wAverage Pre

Max = 11 Average Post

Max = 11

Newton’s FNewton’s T

% of studentsuggests a highe

32% while amproved is (7s is higher (1.5mean differencge test scores i

Parallel Session

only on the exNewton’s Thrnd p-t graph. tions in the wohe focus of the

e-test post-testes and inabili

nt into the clasf the lesson stutory lessons.

lded inquiry ac

y because therut cases). “

n support inqu

convinced tha

faced with 2 YS) of his ans

the previous wich fit the answ

rol group compar

participated used in <g>

who improved test score marks

t test score marks

First law Third law

improved er percentage

a fairly equiva1- 61) = 10%

56 2.93 vs 0.9ce of the experin percentage

Oral Prese

02.09|Date & Tim

xample of colliree Laws in mThey are also

orksheet aim te lesson, guide

t research appty to randoml

III.

ssroom to stududy notes by

ctivities

re weren’t eno

iry activities

at two moving

contrasting thswer. After the

wrong answer twers; regardles

rison, where ↑ 0 ↓

(55%) of studalent number ohigher in the e95 1.78) but rimental over t(Figure 11) su

entation [PS.02.09

me: 02.07.2012 /

ision of glidermultiple represo required to to improve stued by teacher f

proach, limitaly divide into

DATA AND F

dy the lesson anthe teachers to

ough info give

objects collid

heories, the moe simulation, b

to look at whyss of their own

↓ represents imp

Experi

6.0

7.6

↑ 55% 60%

dents in the exof students imexperimental gthe post scorethe control gro

uggest higher s

9.a] The World C

13:00 - 14:30|Hal

rs and pre-postsentations (Wdraw vector d

udent’s mentalfacilitated disc

ations of the equivalent gr

FINDINGS

nd these are soo give some t

en, no masses,

ing together co

ore vocal or coboth appeared

y it was wrongn feel that they

proved, no changimental Group

624544

03 2.31

60 2.26

0 25% 20% 71%

xperimental grmproved in Negroup comparees are fairly eqoup is

. .

.score in Newto

Conference on Phy

ll: D403 (3rd Floo

t test questionong, Sng, Ngdiagrams of fl construction cussion.

study includeroups as class

ome of their obthemes and in

, no velocities

ome to a comp

onfident but wto quickly com

g. Once the any feel somethin

e and deterioratep

↓ 20% 320% 6

roup improvedewton’s 3rd Laed to the contrquivalent (7.60

0.21 whicon’s 1st Law as

ysics Education 1

or)

s are designed, & Wee, 201

forces acting oof concepts an

e students notses are already

bservations. nsights into the

s. Not used to

plete stop.”

wrong student (me to the right

nswer is revealng is wrong.”

ed in post test scoControl

67454

6.74

7.69

↑ 032% 3560% 30

61d in the Newtoaw. Overall, throl group. The 0 2.26 and 7h is medium ins well.

-6 July 2012

8/26

d to lead stude11). Students on the glidersnd the process

t completing y pre-defined

e conditions a

such open ca

(TH) was ablet conclusion.”

ed, students te

ores respectivelyl Group7 5 1

2.10

1.83

0 ↓% 33%

0% 10%%

on’s 1st Law thhe percentage increase in po

7.69 1.83). Tn effect.

ents are

s at s of

the by

and

ses

e to

end

y.

% %

han of

ost-The

w

A

ir

d<e

k

Using pre% %

%well.

Figure 12. Gr

students for th

A. RVHS

We includinsights into treadability of

1) Active a“I felt goo

deeper impres<less interactieven at home,

“The lesso

kinds of collis

Figure 11. Avera

e-test scores across 0 to

raph of pre-test sc

he maximum score

de excerpts frothe conditionsthe qualitative

and interactivd learning thisssion of certainve> classes. I because this g

on was one ofsion and is thus

Parallel Session

age test scores in

plotted versuo 7 out of max

cores of both expe

es of 11 marks w

m the qualitats and processee interviews.

ve engagment is way because n concepts. It feel that stude

gives students

f the best meths pretty good.”

50%

55%

60%

65%

70%

75%

80%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Oral Prese

02.09|Date & Tim

percentage of the

us normalizedximum 11 ma

erimental (N=45)

with marks 8 to 11

IV

tive survey reses during the

is key to learn it facilitated awas a good e

ents should be a more interes

hods to actual”

Pre N1L Post N

Average Score

y =

0 1 2

hake's gain

entation [PS.02.09

me: 02.07.2012 /

e 11 marks pre-po

d gains (Figuarks range of p

and control (N=4

1 omitted from anoverall trend.

V. DISCUSS

sults and informlaboratory le

ning and encourageexperience andgiven the link

sting way to re

lly be able to

N1L Pre N3L P

Average tes

= ‐0.0516x + 0

3 4 5pre‐test 

9.a] The World C

13:00 - 14:30|Hal

ost test with newto

ure 12), the tpre-test scores

45) groups versu

nalysis due to nega

SIONS

mal interviewssons. Words

ed discussion ind I feel I gaink to download evise certain to

experiment a

Post N3L Pre-to

st scores in Pe

E

C

.55

y = ‐0.0513x 

6 7 8scores

Experimen

Control

Linear (Exp

Linear (Co

Conference on Phy

ll: D403 (3rd Floo

on 1st law and 3rd

trend of highs for the exper

s hake’s normaliz

ative hake’s gain

ws with the studin brackets <

n groups, and ned more from

the tool after lopics”.

and witness fir

otal Post Total

ercentage

Experimental

Control

+ 0.6583

9 10 11

ntal

perimental)

ntrol)

ysics Education 1

or)

law and total sco

her normalizerimental group

zed gain <g> = %

but it does not ad

dents to give s< > are added

ultimately allom this lesson th

lessons for int

rsthand the res

-6 July 2012

9/26

res

ed gains <g>p the emerged

% %

100 % of

dversely affect the

some themes ad to improve t

owing us to hahan from reguteractive learni

sults of differ

> = d as

f

e

and the

ave ular ing

rent

w

a

B

f

c

t

t

s

aia

oc

A

t

B

nb

“I think wwill make lear

2) Need g

“The comp “The apple

3) Need st

“The teacharound".

“Explain th “It only fe

B. AJC

1) Hake’s

Several stufrom the Hake

a) increaWe specul

computed as

towards comp b) Studen

We specultime clocked o

Thus, markAlthough t

suggests Hake12) line.

Thus, withand the norminterviews witachieving deep

The 9 comoriginal authocustomize our

A. RVHS

General fethe use of othe

B. AJC

A mediumnormalized gabenefitted from

e need more drning clearer.”

good computer

puter model de

et provided an

tronger scaffo

hers should us

he concepts fir

els good when

Gain and the

udents in both e’s gain analysased Hake’s galate the increa=

pleting the tests

nts making wil

late some studonline and perhks 8 to 11 (Figthe Hake’s gae’s gains of th

h both mediummalized gain an

th students anper learning th

mputer modelors and sub-autr computer mo

eedback from ser computer m

m effect of stanain analysis from the inquiry

Parallel Session

demonstration ”

r model design

esign was brill

n easy to under

olds at the begi

se the program

rst.”

n our predictio

e rationale for

groups obtainsis because of ain senstivity aased sensitivit

200

s.

ld guesses dur

dents are makinrhaps also the lgure 12) were ains <g> for thhe students in t

m effect standanalysis of the

nd teachers, thhan their peers

s derived fromthors, so that

odels to suit ow

students and temodels with sou

ndardized meom experimen

y based lesson

Oral Prese

02.09|Date & Tim

videos or java

n

liant and I enjo

rstand interfac

inning of lesso

m to demonstr

on and observa

removing dat

ned negative Hseveral reasonat higher pre-ty at higher pr% , raised co

ring post test

ng wild guesslack of challenomitted from he various prethe Experimen

ardized mean dtrend lines ex

e evidences sus in traditional

V

m the Open Sordinary teach

wn syllabus an

eachers has beund pedagogic

an difference ntal (N=45) ann can achieve

entation [PS.02.09

me: 02.07.2012 /

a programs be

oyed and unde

e and allowed

on

rate and expla

ations matched

ta with high pr

Hake’s gain i.ens. test scores re-test scores

oncerns about

during the po

nge from sameanalysis result

e test scores arntal group are

difference of 0xperimental (Nuggest studentless interactiv

V. CONCLUS

Source Physichers like us arnd learning con

een relatively pcal approach.

of 0.21 from nd control (N=

deeper learnin

9.a] The World C

13:00 - 14:30|Hal

ecause people l

erstood the con

d for immediate

ain at the same

d. Otherwise w

re-test

e. scored lower

say 8 marks, the validity o

ost tests suggese questions in pting in our Hakre plotted and higher than th

0.21 from expeN=45) and cots did benefitve classrooms.

SIONS

cs digital librare able to standntext.

positive, thus

experimental 45) across preng than their p

Conference on Phy

ll: D403 (3rd Floo

like me are vi

ncept better wi

e understandin

e time. Not le

we were most o

r in the post te

to score say of the test qu

sted from interpre-post test. ke’s gain <g> a general tren

he control gro

erimental (N=6ontrol (N=45) from the expe

ary are sharedd on the shoul

the teachers w

(N=62) and ce-test scores supeers in tradit

ysics Education 1

or)

sual learners a

ith it.”

ng.

etting us explo

of the time con

est. We remove

lower say, 6 uestions and s

rviews and ab

analysis fromnd emerged froup, from the

62) and controgroups and t

erimental inqu

d briefly givinlder of OSP g

will be scaling

control (N=67uggests that stutional classroo

-6 July 2012

10/26

and an animati

ore, and "wond

nfused.”

ed these stude

marks, whichtudents attitud

surdly short qu

m 0 to 7 marks.rom the data tlinear fit (Figu

ol (N=67) groutriangulated wuiry based less

ng credits to giants and furth

up (Dede, 200

7) and the highudents who haoms. In additio

ion

der

ents

h is des

uiz

that ure

ups with son

the her

07)

her ave on,

gr

a

As

TN

M

n

A

B

CCD

hD

DEEE

E

E

H

H

J

JL

L

MM

M

general feedbareflections by

We hope mact more intell

We wish tAndrew Duffsimulation and

This reseaTeaching and National Instit

We also thMOE Innergy

Any opininecessarily ref

Adegoke, B. Aamon

Brown, D. (20http:/

Christian, W. Christian, W. Dede, C. (200

http:/http://www.peDuffy, A. (200

http:/Duffy, A. (20Esquembre, FEsquembre, FEsquembre, F

http:/Esquembre, F

http:/Esquembre, F

http:/Hake, R. R. (1

for inHwang, F.-K.

http:/Jaakkola, T. (2

Labo951-2

Juuti, K., & LLee, H. L. (20

http:/Liew, C. W., &

undeMcDermott, LMOE. (2008).

Educmast

MOE. (2009).http:/

ack from the steachers.

more teachers ligible (Juuti &

to acknowledgfy, Todd Timd curriculum march is made Learning, (M

tute of Educatihank MOE fo

y (HQ) GOLD ions, findings,flect the views

A. (2012). Impng senior seco012). Tracker //www.cabrill(2008). Wave(2010). Open

07). Exploring //isites.harvardeecworks.org/P09). Point Cha//www.compa10). Interferen. (2002). Com. (2009). Colli. (2010a). Ejs //www.phy.ntn. (2010b). Ma//www.compa. (2012). Easy//www.um.es/1998). Interactntroductory ph(2010). NTNU

//www.phy.ntn2012). Thinkin

oratory and Sim29-5045-4

Lavonen, J. (20012). National//www.channe& Treagust, Drstanding of h

L., Shaffer, P.,. Press Releasecation Retrieverplan.php . Teachers — //www.moe.go

Parallel Session

students has be

will find the s& Lavonen, 20

ge the passionmberlake and Jmaterials.

possible thanOE, 2012b) awion (NIE), Sin

or the recognitAwards (MOE, conclusions s of the MOE,

pact of interacondary school Free Video Ano.edu/~dbrow

e Function PloSource Physithe Process of

d.edu/fs/docs/PEEC/PEEC_arge Electric Fadre.org/Reposnce Model: Rip

mputers in physision in one diOpen Source

nu.edu.tw/ntnuagnet Falling Tadre.org/portaly Java Simulat/fem/EjsWiki/ptive-engagemehysics coursesU Virtual Phynu.edu.tw/ntnung Outside themulation Activ

006). Design-Bl Day Rally 20elnewsasia.com

D. F. (1995). Aheat and expan, & Rosenquises: Ministry o

ved 25 August

The Heart of Qov.sg/media/p

Oral Prese

02.09|Date & Tim

een relatively p

simulation use006) with them

AC

nate contributJuan Aguirreg

nks to the eduwarded by the

ngapore and thtion of our resE, 2012a) by Eor recommenNIE or NRF.

ctive engagemestudents. Physnalysis and M

wn/tracker/ otter Model, frocs (OSP) Ret

of Scaling Up. icb.topic8603

_Reports/051FField in 1D Mository/documepple Tank, frosics educationimension, fromEarth and Moujava/index.ph

Through Ring l/items/detail.ctions Retrievepmwiki.php ent versus trad. American Jo

ysics Laboratoujava/index.phe Box: Enhancvities. Univers

Based Researc012 Speech - Am/annex/ND2

A predict-obsernsion of liquidt, M. (1995). P

of Education S, 2010, from h

Quality Educapress/2009/09/

entation [PS.02.09

me: 02.07.2012 /

positive, triang

eful in their owm, benefiting a

CKNOWLEDGEM

tions of Francgabiria for th

uLab project e National Reshe Ministry of Esearch on comEducational Tendations expre

REFERENC

ent on reducinsics Education

Modeling Tool

om http://wwwtrieved 25 AugHarvard Univ3.files/Process

F8D99-007EAodel, from ent/ServeFile.com http://wwwn. Computer Pm http://www.oon Model 1.0hp?topic=183Model 1.0. fro

cfm?ID=1032ed 13 Septemb

ditional methoournal of Physory Retrieved hp & http://wwcing Science Tsity of Turku,

ch in Science EA Home With H2012_PMLEE_rve-explain tea

ds. Australian SPhysics by inqingapore Pres

http://www.mo

ation Retrieve/teachers-the-h

9.a] The World C

13:00 - 14:30|Hal

gulated from s

wn classes andall humankind,

MENT

cisco Esquembheir ideas and

NRF2011-EDsearch FoundaEducation (M

mputer model echnology Divessed in this p

CE

ng the gender gn, 47(4), 462. for Physics Ed

w.compadre.ogust, 2010, froversity. Retries_of_Scaling_

A7AB.14/The%

cfm?ID=9411w.phy.ntnu.eduPhysics Commu.um.es/fem/Ej

0. from 0.0 om 7

ber, 2012, from

ods: A six-thousics, 66(1), 64-13 Septemberww.phy.ntnu.e

Teaching by CoFinland. Retri

Education: OnHope and Hea_ENGTEXT.paching sequenScience Teachquiry: John Wis Releases MOoe.gov.sg/med

ed 20 October,heart-of-qualit

Conference on Phy

ll: D403 (3rd Floo

students’ surve

d further custo becoming citi

bre, Fu-Kwun d insights in t

DU001-EL001ation (NRF), SOE), Singaporlessons as a s

vision and Acapaper, are tho

gap in quantum

ducation, from

org/osp/items/dom http://wwweved from _Up_-_T561_s%20Process%2

&DocID=157u.tw/ntnujava/unications, 14sWiki/Main/E

m

usand-student -74. doi: 10.11r, 2012, from edu.tw/ntnujavombining (Insieved from htt

ne Step Towarart. Singaporepdf. nce for learninhers’ Journal, iley & Sons NOE Launches dia/press/2008

, 2010, from ty.php

ysics Education 1

or)

ey and focus g

omized them sizens for the w

n Hwang, Wolthe co-creatio

1 Java SimulaSingapore in core. significant innademy of Singose of the aut

m physics lear

m

detail.cfm?ID=w.compadre.or

scaling.pdf 20of%20Scali

74 /index.php?top

47(1-2), 13-18ExamplesColli

survey of mec119/1.18809

va/index.php?stead of Contratp://urn.fi/URN

rds Methodoloe: Retrieved fr

ng about studen41(1), 68-71.

New York. Third Masterp

8/08/moe-launc

-6 July 2012

11/26

group interview

so that others cworld.

lfgang Christion of interact

ation Design ollaboration w

novation in 20gapore Teacherthors and do n

rning outcome

=7570 rg/osp/

ing%20Up.pdf

pic=2408.0 . ision1D

chanics test da

?board=23.0 asting) N:ISBN:978-

ogy. from

nts’

plan for ICT inches-third-

ws,

can

an, tive

for with

012 rs. not

es

f

ata

n

M

M

M

T

T

W

W

W

W

W

W

W

W

W

W

W

W

W

MOE. (2010).http:/

MOE. (2012a)Divishttp:/

MOE. (2012bRetri

SEAB. (2010)http:/

SEAB. (2012)http:/

Timberlake, Thttp:/

Timberlake, Thttp:/

Wee, L. K. (2Java mass

Wee, L. K. (2http:/http:/down

Wee, L. K. (2learn

Wee, L. K., Chttp:/

Wee, L. K., Dapple

Wee, L. K., Dfrom

Wee, L. K., DAppl

Wee, L. K., &http:/

Wee, L. K., &Runthttps& htt

Wee, L. K., Eby LT

Wee, L. K., Ehttp:/

Wee, L. K., &libraat the

Wong, D., Snglesso

. An Introduct//www.academ). MOE Innergsion and Acad//www.excelfe

b). Press Releaieved 25 May,). Physics Hig//www.seab.go). 9646 Higher//www.seab.go

T. (2010). Kep//www.compa

T., & Wee, L. K//www.phy.ntn010, 03 NovemSimulation an

s-briefing-at-ju012a). Geosta//www.compa//www.companload) 012b). One-di

ning. Physics EChristian, W., &

//www.phy.ntnDuffy, A., Aguet, from http://

Duffy, A., & Hm http://www.pDuffy, A., & Hlet, from http:/

& Esquembre, F//www.phy.ntn

& Esquembre, Ftime. from ://sites.googletp://www.physquembre, F., TL, from httpsquembre, F., //www.phy.ntn

& Mak, W. K. ry to create ine 3rd Redesigng, P. P., Ng, E

on in mechanic

Parallel Session

tion to PLCs Rmyofsingaporegy Awards: M

demy of Singapest.com/award

ases: eduLab a, 2012, from h

gher 1 2011 88ov.sg/aLevel/2r 2 PHYSICS ov.sg/aLevel/2

pler System Madre.org/ReposK. (2011). Ejsnu.edu.tw/ntnumber). eduLabnd Tracker. Juurong-junior.hationary Earth adre.org/Reposadre.org/osp/do

imensional colEducation, 47(& Hwang, F.-Knu.edu.tw/ntnu

uirregabiria, J.,/www.phy.ntn

Hwang, F.-K. (2phy.ntnu.edu.tw

Hwang, F.-K. (2//www.phy.ntnF. (2008). Ejsnu.edu.tw/ntnuF. (2010). Ejs

e.com/site/look.ntnu.edu.tw/n & Lee, T. L. ://www.phy.n & Lye, S. Y. nu.edu.tw/ntnu(2009, 02 Jun

nteractive digining Pedagogy

E. H., & Wee, cs. Physics Ed

Oral Prese

02.09|Date & Tim

Retrieved 01 Deteachers.moe

MOE Innergy (pore Teachers

d at the Academyhttp://www.mo866. Retrieved20102011Syll(2013). Retrie

2013Syllabus/odel 1.0. fromsitory/documes Open Sourceujava/index.phb mass briefin

urong Junior Chtml Orbit Satellitesitory/documeocument/Serv

llision carts co(3), 301. K. (2009). Ejsujava/index.ph, & Hwang, F.nu.edu.tw/ntnu2012a). Ejs Ow/ntnujava/ind2012b). Ejs Onu.edu.tw/ntnu open source jujava/index.ph Open Source

kang/edulabgrntnujava/index(2012). Ejs Op

ntnu.edu.tw/ntn(2012). Ejs opujava/index.phe). Leveragingital media for y InternationaL. K. (2011).

ducation, 46(2)

entation [PS.02.09

me: 02.07.2012 /

December, 201e.gov.sg/cos/o.(HQ) Awards s: Gravity-Phy

y of Singaporeoe.gov.sg/medd from GCE Alabus/8866_20eved from GC/9646_2013.pd

m ent/ServeFile.ce Kepler 3rd Lhp?topic=222

ng on possible College, 2010,

e Model, froment/ServeFile.cveFile.cfm?ID=

omputer mode

s Open Sourcehp?topic=906.-K. (2012). Ejujava/index.phpen Source Grdex.php?topic

Open Source Gujava/index.phjava applet 1Dhp?topic=831Geostationary

ravityearthandx.php?topic=1pen Source Lonujava/index.ppen source javhp?topic=240g on Easy Javamass customizl Conference, Learning with), 178.

AUTHOR

9.a] The World C

13:00 - 14:30|Hal

10, from .x?c=/ast/pageWinners : Gol

ysics by Inquir

e Teachers (eddia/press/2012/-Level Syllabu

011.pdf CE A-Level Sydf

cfm?ID=9757Law System M

5.0 ideation optio from http://w

m cfm?ID=1177=11775&DocI

el and its desig

e Superposition.0 js Open Sourc

hp?topic=2408ravitational Fi

c=1921.0 Gravitational Fi

hp?topic=1924D collision cart

.0 y Satellite arou

dsatelliteyjc/ej877.0 (requireong Magnet Fphp?topic=239va applet 1D c8.0 a Simulation tzation of high Singapore.

h multiple repr

Conference on Phy

ll: D403 (3rd Floo

etree&func=vild Award :Edury Retrieved 2

duLab@AST) /03/edulab-at-uses Examine

yllabuses Exam

&DocID=145Model Java App

ons for eduLabweelookang.blo

5&DocID=26ID=2634&Att

gn ideas for pr

n of 2 Waves

ce Ripple Tank8.0 ield & Potenti

ield & Potenti4.0 ts Elastic and

und Earth Jav

s_EarthAndSaes Registrationalling Throug99.0 collision carts w

tool and open school physic

resentations: a

ysics Education 1

or)

iew&rid=1069ucational Tech25 May, 2012

to Bring Idea-the-academy-d in 2011 web

mined in 2013

51 plet 1.0. from

b projects sharogspot.com/20

634 & tachment=1 (p

roductive expe

generated by e

k Interference

ial of 2 Mass J

ial of Earth an

Inelastic Colli

va Applet requ

atelite.jar?attren to download

gh solenoid Mo

with realistic c

source compucs curriculum.

an example of

-6 July 2012

12/26

9395 hnology , from

as into Practice-of-singa.phpbsite:

website:

ring on Easy 010/10/edulab

public

eriential

equations, from

Model java

Java Applet,

nd Moon Java

ision, from

ires Java 3D a

edirects=0&d=d) odel Java App

collision from

uter simulation Paper present

f a revision

e

-

m

and

=1

plet

m

n ted

.

LES

Aof

Kacfe

Sza scre

THHSi

WHinau

G

Parallel Session

Loo Kang LawEducation, Sing

ource Physics

Ai Phing LIM if teaching grad

Khoon Song Alcademic and peasibility of or

ze Yee is currtrained Physic

chools. She is elated topics in

Tat Leong LEEHigh School, SHe has been us

imulations).

Weiming XU isHigh School, Sntegrating muluthentic and m

Giam Hwee Jim

Oral Prese

02.09|Date & Tim

rence WEE isgapore. He was tools like Eas

is currently a tde 11 and 12 e

loysius GOH professional inrganization ma

rently an educacs Teacher andnow working

n primary scho

E is currently tingapore. He ing Open Sou

s currently theingapore. He ltiple modes omeaningful lea

mmy GOH is c

entation [PS.02.09

me: 02.07.2012 /

s currently an eas a junior collsy Java Simula

teacher in Rivexperience and

is currently a pnterests includeanagement the

ational technod had taught bon modifying

ool.

the Head of Deis a high scho

urce Physics (O

e Acting Subjeis a high schof representatio

arning experien

currently the H

9.a] The World C

13:00 - 14:30|Hal

educational telege physics leation for desig

ver Valley Higd has Masters

physics teachee the approprieories in Singa

ology officer inboth Physics ang the Open Sou

epartment for ol Physics tea

OSP) tools as e

ect Head for Eol Physics teaon of informatnces.

Head of Scienc

Conference on Phy

ll: D403 (3rd Floo

chnology spececturer and hisgning compute

h School, Singin Science Ed

er in Andersoniate use of ICTapore’s public

n Ministry of End science in urce Physics S

Education Teacher, with 10 early as 2006

Educational Teacher with a pation in the teac

ce Departmen

ysics Education 1

or)

cialist at the Ms research inteer models and

gapore. She haducation.

n Junior ColleT to enhance le school system

Education, Sinsecondary and

Simulations fo

chnology in Ryears of teach(Tracker and E

echnology in Rassion and inteching of Physi

nt in Yishun Ju

-6 July 2012

13/26

Ministry of erest is in Opeuse of Tracke

as over 14 yea

ege. His earning and m.

ngapore. She id primary or physics-

River Valley hing experiencEasy Java

River Valley erest in ics to provide

unior College,

en er.

ars

is

ce.

Siba

Cov

Sex

EICpr

Cye

Walte

Parallel Session

ingapore. He tased science te

Chee Wah ONGver 16 years o

oo Kok, NG isxperience and

Ee Peow LIM iCT Resource Tracticum with

Chew Ling LIMears of teachin

Wee Leng Joshlso one of the eacher advocat

Oral Prese

02.09|Date & Tim

teaches Physiceaching and le

G is currently of experience t

s currently teaa keen advoc

is currently teaTeam of teachhis creative te

M is currently ng experience.

hua YEO is cuCollege’s ICTtes or champio

entation [PS.02.09

me: 02.07.2012 /

cs to both yearearning throug

a senior teachteaching grade

aching in Innoate of experien

aching in Andhers. Before theach methods.

teaching Phys.

urrently teachinT Mentor speaons to develop

9.a] The World C

13:00 - 14:30|Hal

r 1 and 2 studegh effective an

her teaching ine 11 and 12 an

va Junior Collntial learning.

derson Junior Cat, he obtained.

sics in Serango

ng Physics in arheading the ip and cascade

Conference on Phy

ll: D403 (3rd Floo

ents at the colnd efficient me

n Innova Juniond has a Maste

lege. He has 2

College, Singad a distinction

oon Junior Co

Serangoon Juninitiative to creeffective ICT

ysics Education 1

or)

lege and advoeans.

or College, Siner degree in Sc

23 years of tea

apore. He is len in pre-service

ollege, Singapo

nior College, eate a critical practices.

-6 July 2012

14/26

ocates inquiry-

ngapore. He hacience.

aching

eading a Physie teaching

ore. She has 7

Singapore. Hemass of

-

as

cs

e is

ej

im

Subject: Level: Worksheet T

Apparatus

01 × laptop

In this practjs_users_sgedu

The followi Read throug Finally, run Are your pr How to use

Select the tyKey in the mKey in the i

Click the pl

Reset the simYou may wE.g.: e is th

mpact (i.e. a m

MH

KEenof

Title:

List

tical you will ucation_looka

ing sections co

gh the context

n the simulation

redicted outcom

the Virtual La

ype of collisionmasses of the cinitial velocity

ay button

mulation by clwish to explore

he coefficient measure of how

Parallel Session

Matthew ONG He has experien

Kenneth Y T LEducation. His nvironments of Disciplinary

VI. APPEND

Physics

A-Level P06 – Collisi

investigate thang_Momentum

onsist of variou

carefully befo

n to verify you

me and the sim

aboratory

n by clicking tcart 1 and pres

y of cart 1 and

to start the

licking on other featuresof restitution

w much kinetic

Oral Prese

02.09|Date & Tim

is currently annce teaching in

LIM is a Reseapresent resear

offer. ThroughIntuitions.

DIX A: WORKS

ions between t

he dynamics om1D2010web

us collision sc

ore making an

ur prediction.

mulated outcom

the radiobuttonss the enter keypress the enter

simulation.

reset buttos such as graphand it is the ra

c energy is lost

entation [PS.02.09

me: 02.07.2012 /

n educational n the grade 1 t

arch Scientist arch interests ar

h his research,

SHEET WITH SU

two bodies – V

f collisions wb02.jar.

enarios.

educated gues

me identical?

n . y. Repeat for cr key. Repeat f

on. hs in your ownatio of speeds t).

9.a] The World C

13:00 - 14:30|Hal

technology ofto 6.

at the Office ore in the afforhe is developi

UGGESTED ANS

Virtual Labora

ith TIPERs w

ss as to the out

If they are not

cart 2 for cart 2.

n free time. after and befo

Conference on Phy

ll: D403 (3rd Floo

fficer in Minis

of Education Rdances for leaing a theory o

SWERS BY RV

Time: 1

atory

worksheets usin

tcome. Explai

t, explain the d

fore an impact,

ysics Education 1

or)

strhy of Educa

Research, Natioarning that immf learning arou

VHS

h 15 min

ng the easy Ja

in your reason

discrepancy.

, taken along t

-6 July 2012

15/26

ation, Singapor

onal Institute mersive und the concep

ava simulation

ning.

the line of the

re.

of

pt

n

e

(a)

its

hea

col

thisCa

d

Carts A and B

No other info Four students Eugene: “Afte

speed is going Sean: “I thin

avy truck hits a Thomas: “I

llision.” Meili: “The c

s is going to hrt A will be mo Which, if any Eugene_____ Explain. ………………

………………

………………

………………

………………

………………

Answer: N

determine t

the collisi

together a

happens d

Parallel Session

B are shown ju

formation is gi

s discussing th

er the collisiong to determine

nk they’ll sticka car: The truc

think the spe

carts must havhappen is if thoving to the lef

y, of these four

_ Sean _____ T

………………

………………

………………

………………

………………

………………

one of thes

he velocity

ion, but this

and remainin

epends on

Oral Prese

02.09|Date & Tim

ust before they

iven. Don’t As

his situation ma

n, the carts wiwhich cart do

k together andck is going to

ed and the m

ve the same moey keep the sa

eft at 3 m/s and

r students do y

Thomas _____

…………………

…………………

…………………

…………………

…………………

…………………

se contentio

of either ca

s could happ

ng at rest, o

the construc

entation [PS.02.09

me: 02.07.2012 /

y collide.

sk.

ake the follow

ill stick togetheominates in the

d move off to win no matter

mass compens

omentum afterame speeds. Ad Cart B will b

you agree with

_ Meili _____

………………

………………

………………

………………

………………

………………

ns is correc

rt after the c

pen in a num

or the carts

ction of the

9.a] The World C

13:00 - 14:30|Hal

wing contention

er and move ofe collision.”

the right becar which one’s g

ate, and the

r the collision All the collisiobe moving to th

h?

_ None of them

…………………

…………………

…………………

…………………

…………………

…………………

ct. We do no

collision. Mo

mber of way

bouncing of

carts and o

Conference on Phy

ll: D403 (3rd Floo

ns:

off to the left. C

ause Cart A isgoing fastest, j

carts are goi

as before the on does is chanhe right at 4 m

m______

………………

………………

………………

………………

………………

………………

ot have eno

omentum w

ys, such as t

ff one anoth

on the mater

ysics Education 1

or)

Cart B has mo

s heavier. It’just because it

ing to be at

collision, andnge their direc

m/s.”

…………………

…………………

…………………

…………………

…………………

…………………

ugh informa

will be conse

the carts sti

her. What ac

rial of the su

-6 July 2012

16/26

ore speed, and

’s like when at’s heavier.”

rest after the

d the only wayctions, so that

…….

…….

…….

…….

…….

…….

ation to

erved for

icking

ctually

urfaces

d

a

e

y t

(b) diff

and

wobe

con

Two identicafferent loads an

Three physics Sherwin: “Th

d the final mom Sunny: “If tha

uld violate conmoving slowly Steven: “I th

nservation of m Which, if any Sherwin ____ Please explai ………………

………………

………………

………………

………………

………………

Answer: S

before the

Parallel Session

al carts travelnd are initially

s students disc

hese carts will mentum has to

at were true itnservation of ey to the left aft

hink that aftemomentum and

y, of these thre

__ Sunny ____

n your reasoni

………………

………………

………………

………………

………………

………………

Sherwin is c

collision, so

Oral Prese

02.09|Date & Tim

ling in opposiy travelling at d

cussing this sit

both be at reso be zero also.”

t would mean energy. Since ter the collisio

er the collisiod conservation

ee students do

__ Steven ___

ing.

…………………

…………………

…………………

…………………

…………………

…………………

correct. The

o the total in

entation [PS.02.09

me: 02.07.2012 /

ite directions different speed

tuation make t

st after the coll”

that they woulthe right-handn.”

on the pair ofn of energy are

you think is co

___ None of th

………………

………………

………………

………………

………………

………………

e momentum

nitial momen

has to be z

9.a] The World C

13:00 - 14:30|Hal

are shown juds. The carts st

the following c

lision since the

ld have zero kd cart has mor

f carts will be both satisfied

orrect?

hem______

…………………

…………………

…………………

…………………

…………………

…………………

m of the two

ntum is zero

ero also.

Conference on Phy

ll: D403 (3rd Floo

ust before theytick together a

contentions:

e initial mome

kinetic energy re kinetic energ

be traveling led.”

………………

………………

………………

………………

………………

………………

o carts are e

o and the to

ysics Education 1

or)

y collide. Theafter the collisi

entum of the sy

after the collisgy, the combin

eft at 20 cm/

…………………

…………………

…………………

…………………

…………………

…………………

equal and op

otal final mo

-6 July 2012

17/26

e carts carry ion.

ystem is zero,

sion and that ned carts will

/s. That way

…….

…….

…….

…….

…….

…….

pposite

mentum

(c)

bot

of t

…

…

…

…

A

r

C

th

m

m

A

g

a

th

le

In Case A, a mIn Case B, a r

No other info Will the spee

th cases? Explain. ………………

………………

………………

………………

………………

………………

Will the spee

the bullet just Explain.

……………

……………

……………

……………

Answer: Gre

ight. The fin

Case B. Sin

he same as

momentum

must be grea

Answer: Les

greater after

and the final

he block has

ess than the

Parallel Session

metal bullet perubber bullet w

formation is gi

ed of the wood

………………

………………

………………

………………

………………

………………

ed of the bullebefore the col

……………

……………

……………

……………

eater for B.

nal momen

ce the final

s the initial

of the bulle

ater in Case

ss than. The

r the collisio

l energy is t

s a non-zer

e initial kinet

Oral Prese

02.09|Date & Tim

enetrates a wowith the same

iven. Don’t As

den block after

…………………

…………………

…………………

…………………

…………………

…………………

et in Case B afllision?

……………

……………

……………

……………

The initial m

tum of the

momentum

momentum

et and the

e B.

e energy of

n than befo

the sum of

ro final kinet

tic energy o

entation [PS.02.09

me: 02.07.2012 /

ooden block. initial speed a

sk.

r the collision b

………………

………………

………………

………………

………………

………………

fter the collisio

……………

……………

……………

……………

momentum

bullet point

m of the syst

m, and this

momentum

the system

ore. The initi

the kinetic

tic energy, t

of the bullet.

9.a] The World C

13:00 - 14:30|Hal

and mass boun

be greater in C

…………………

…………………

…………………

…………………

…………………

…………………

on be greater

……………

……………

……………

……………

in both case

ts to the rig

tem consist

final mome

of the bloc

containing

al energy is

energies of

the final kine

Conference on Phy

ll: D403 (3rd Floo

nces off an iden

Case A, greate

………………

………………

………………

………………

………………

………………

than, less than

………………

………………

………………

………………

es is the sa

ght in Case

ting of the b

entum is th

ck, the mom

both block

s the kinetic

f the bullet a

etic energy

ysics Education 1

or)

ntical wooden

er in Case B, o

…………………

…………………

…………………

…………………

…………………

…………………

n, or the same

………………

………………

………………

………………

ame and poi

e A and to t

bullet and th

he vector su

mentum of

and bullet c

c energy of t

and the blo

of the bulle

-6 July 2012

18/26

n block.

or the same in

…….

…….

…….

…….

…….

…….

as the speed

…………….

…………….

…………….

…………….

ints to the

the left in

e block is

um of the

the block

cannot be

the bullet,

ock. Since

et must be

Half Way

(a)

…

…

…

…

(b)

…

…

…

…

2

3

2

3

Check Point

For each of th

List all the exDoes the systDoes the syst

……………

……………

……………

……………

……………

……………

……………

……………

1. Assumneg

. Initially,

with time

. There is

balance

. Initially, t

time. Or

. There is

balance.

1. Assumneg

Parallel Session

he earlier situa

xternal forces etem have an intem experience

……………

……………

……………

……………

……………

……………

……………

……………

e friction is gligible.

the system

e. Or rathe

s no net imp

.

the system

r rather, the

no net impu

e friction is gligible.

Oral Prese

02.09|Date & Tim

ations (a) to (c

exerted on thenitial momentue a net impuls

……………

……………

……………

……………

……………

……………

……………

……………

has zero m

r, the chang

pulse deliver

has zero mo

change in m

ulse delivere

entation [PS.02.09

me: 02.07.2012 /

), answer the f

e system.um? Describe e during the sp

……………

……………

……………

……………

……………

……………

……………

……………

momentum.

ge in mome

red to the sy

omentum. T

momentum

ed to the sy

9.a] The World C

13:00 - 14:30|Hal

following ques

any changes ipecified time p

……………

……………

……………

……………

……………

……………

……………

……………

The total m

ntum is zero

ystem. The

The total m

is zero.

ystem. The

Conference on Phy

ll: D403 (3rd Floo

stions.

in its total momperiod? Expla

………………

………………

………………

………………

………………

………………

………………

………………

momentum d

o.

e gravitation

omentum d

gravitationa

wb

nfb

w

ysics Education 1

or)

mentum. ain.

………………

………………

………………

………………

………………

………………

………………

………………

weight of synormal reacforce on sys

does not ch

al and norm

oes not cha

al and norm

weight of snormal reaforce of sys

weight of woblock normal reacforce on woblock weight of bu

-6 July 2012

19/26

…………….

…………….

…………….

…………….

…………….

…………….

…………….

…………….

ystem ction stem

ange

mal forces

ange with

mal forces

system action stem

ooden

ction oden

ullet

(c)

…

…

…

…

2.

3.

……………

……………

……………

……………

1. Assumneg

Initially, th

time. Or r

There is n

causes a

negligible

Parallel Session

……………

……………

……………

……………

e friction is gligible.

he system h

rather, the c

no net impul

small vertic

.

Oral Prese

02.09|Date & Tim

……………

……………

……………

……………

as moment

change in m

lse delivered

cal downwar

entation [PS.02.09

me: 02.07.2012 /

……………

……………

……………

……………

tum. The to

momentum is

d to the sys

rd change in

9.a] The World C

13:00 - 14:30|Hal

……………

……………

……………

……………

otal moment

s zero.

stem. The g

n momentum

Conference on Phy

ll: D403 (3rd Floo

………………

………………

………………

………………

tum does no

gravitational

m of the bul

ysics Education 1

or)

………………

………………

………………

………………

ot change w

l force on th

let, which is

-6 July 2012

20/26

…………….

…………….

…………….

…………….

with

he bullet

s

Extending

(e) col

col

in tfor

…

A

a

A

a

g Your Under

Two identicallide.

The paths an

llision are indi The speeds o For the quest

the direction rr out of the pag

Which letter b Explain. ………………

………………

………………

………………

………………

………………

Which letter b Explain. ………………

………………

………………

………………

………………

……………

Answer: A.

and is found

Answer: E.

and is found

Parallel Session

rstanding

al steel balls, P

nd velocities icated by the d

f the balls are

tions below, urosette, or use ge, or M if non

best represent

………………

………………

………………

………………

………………

………………

best represent

………………

………………

………………

………………

………………

……………

The change

d by subtrac

The change

d by subtrac

Oral Prese

02.09|Date & Tim

P and Q, are sh

of the two dashed lines an

same before a

use the directioJ for no direc

ne of these are

s the direction

…………………

…………………

…………………

…………………

…………………

…………………

s the direction

…………………

…………………

…………………

…………………

…………………

……………

e in velocity

cting vectors

e in velocity

cting vectors

entation [PS.02.09

me: 02.07.2012 /

hown at the in

balls before nd arrows.

and after collis

ons indicated ction, K for incorrect.

n of the change

………………

………………

………………

………………

………………

………………

n of the change

………………

………………

………………

………………

………………

……………

y of ball Q

s as shown.

y of ball P

s as shown.

9.a] The World C

13:00 - 14:30|Hal

nstant that they

and after the

sion.

by the arrowsnto the page, L

e in momentum

…………………

…………………

…………………

…………………

…………………

…………………

e in momentum

…………………

…………………

…………………

…………………

…………………

……………

is its final v

is its final v

Conference on Phy

ll: D403 (3rd Floo

y

e

s L

m for ball Q?

………………

………………

………………

………………

………………

………………

m for ball P?

………………

………………

………………

………………

………………

………………

velocity min

velocity min

ysics Education 1

or)

…………………

…………………

…………………

…………………

…………………

…………………

…………………

…………………

…………………

…………………

…………………

………………

nus its initia

nus its initia

-6 July 2012

21/26

…….

…….

…….

…….

…….

…….

…….

…….

…….

…….

…….

…………….

l velocity,

l velocity,

Q b

Q a

bot

…

…

…

A

m

r

A

o

s

e

A

in

m

Choose the lebefore collisio Explain. ………………

………………

………………

………………

………………

………………

Choose the le

after collision. Explain. ………………

………………

………………

………………

………………

………………

Choose the leth balls P and Explain. ………………

……………

……………

……………

Answer: C

momentum

ight as show

Answer: C.

of the indivi

shown. Note

equal to the

Answer: J.

nteraction.

momentum f

Parallel Session

etter that best rn.

………………

………………

………………

………………

………………

………………

etter that best r

………………

………………

………………

………………

………………

………………

etter that best Q.

………………

……………

……………

……………

C. The initia

of the indiv

wn.

The final m

idual balls.

e that since

initial mome

There is n

There are

for the syste

Oral Prese

02.09|Date & Tim

represents the

…………………

…………………

…………………

…………………

…………………

…………………

represents the

…………………

…………………

…………………

…………………

…………………

…………………

t represents th

…………………

……………

……………

……………

al moment

vidual balls.

momentum o

When add

e momentum

entum.

no direction

no extern

em.

entation [PS.02.09

me: 02.07.2012 /

direction of th

………………

………………

………………

………………

………………

………………

direction of th

………………

………………

………………

………………

………………

………………

e direction of

………………

……………

……………

……………

um of the

When add

of the syste

ded togethe

m is conserv

since ther

nal forces,

9.a] The World C

13:00 - 14:30|Hal

he initial mom

…………………

…………………

…………………

…………………

…………………

…………………

he final mome

…………………

…………………

…………………

…………………

…………………

…………………

f the impulse d

…………………

……………

……………

……………

system is

ed together

m is the ve

er, these m

ved for this

e is no imp

and so n

Conference on Phy

ll: D403 (3rd Floo

mentum for the

………………

………………

………………

………………

………………

………………

entum for the

………………

………………

………………

………………

………………

………………

during this int

………………

………………

………………

………………

the vecto

r, these mo

ctor sum of

momentum p

system, th

pulse on th

o impulse

ysics Education 1

or)

system of bot

…………………

…………………

…………………

…………………

…………………

…………………

system of both

…………………

…………………

…………………

…………………

…………………

…………………

teraction for th

…………………

………………

………………

………………

or sum of t

omentum po

f the final m

point to the

e final mom

e system d

and no c

-6 July 2012

22/26

th balls P and

…….

…….

…….

…….

…….

…….

h balls P and

…….

…….

…….

…….

…….

…….

he system of

…….

…………….

…………….

…………….

the initial

oint to the

momentum

e right as

mentum is

during the

change in

g

d

m

v

ExperimenGlider A i

glider A reverGiven the In the spac

during the coll

(B) Howmagnitude and

The magniThe directi (C) The F

variation with

(A) Wha(i) (ii) (iii)

F

nt 1 is launched torses direction. conditions abo

ce provided, drlision.

w does the net d direction of titude of FA is ion of FA is sa

F-t graph (Figutime t of net f

at can you sabefore collisduring collisafter collisio

AA

iAv

Free-body dia

FA

Parallel Session

VII. APPEN

wards and colThe mass of gove, attempt th

raw separate f

force on glidethe net force. greater than /

ame as / oppos

ure 1) below sforce FB actin

ay about the nsion zero sion FB (eqon zero

v

agram for glide

A

R

MAg

F/N

Oral Prese

02.09|Date & Tim

NDIX B: WORK

llides inelasticglider A, m is ohe Java simula

free-body diag

er A, FA, com

equal to / smasite to the dire

shows the net fng on glider B.

net force acti

qual to FA)

0B i

BA

er A F

Figure 1

entation [PS.02.09

me: 02.07.2012 /

KSHEET WITH S

cally with a stone fifth the mation with diffe

grams for each

mpare to the ne

aller than the mection of FB.

force FA actin

ing on glider

Free-body diag

B

t/s

9.a] The World C

13:00 - 14:30|Hal

SUGGESTED AN

tationary glidemass of glider Bferent values of

glider and for

et force on gli

magnitude of F

ng on glider A

B

AA

fAv

gram for glider

FB

R

MBg

Conference on Phy

ll: D403 (3rd Floo

NSWERS BY AJ

er B on a smoB. f initial veloci

r the system S

ider B, FB, at

FB.

during the col

?vB f

B

r B

B

Fre

ysics Education 1

or)

JC

ooth plane. Af

ties.

of the two gli

this instant? D

llision. On Fig

?

ee-body diagraS

S

-6 July 2012

23/26

fter the collisio

ders at an inst

Discuss both t

gure 1, sketch t

am for systemR

MSg

on,

ant

the

the

m

Δ

d

(

i

g

m

Now, consΔt compare to

Since FA e

direction. Apply New

(Δp=mΔv) of

The magniin momentum

The directglider B.

The area umomentum-tim

glider A glider B

Describe The mom Using you The veloc

sider the time o the product F

equal to FB in

wton’s secondgliders A and

itude of the chm of glider B.

ion of the cha

under an F-t gme graphs for

the momentu

mentum-time g

ur answers to

city of glider B

m

Parallel Session

interval whileFB Δt? Discuss

n magnitude a

d law (for conB during the c

hange in mome

ange in momen

graph represen

um-time grap

graph for glid

o D (iii) and H

B during this

momentum/N s

Oral Prese

02.09|Date & Tim

e the gliders ar this in terms o

and opposite i

nstant mass) collision. Disc

entum of glide

ntum of glider

nts the change

ph for glider B

der B after co

H, what can y

period is con

s

F

entation [PS.02.09

me: 02.07.2012 /

re still in contaof the magnitu

in direction, F

m∆

∆ to

cuss both the m

er A is greater

r A is same as

e in momentu

B after the co

ollision is a st

you say abou

nstant. (No ne

igure 2

A

B

9.a] The World C

13:00 - 14:30|Hal

act during the ude and directi

FA Δt and FB

each of the glmagnitude and

than / equal to

/ opposite to t

um of a body.

ollision.

raight horizon

t the velocity

et force, no c

A

Conference on Phy

ll: D403 (3rd Floo

collision to beion.

Δt are equal

liders to compd direction of th

o / smaller tha

the direction o

Hence, on F

ntal line.

y of glider B d

change in mo

time/s

ysics Education 1

or)

e Δt. How doe

in magnitude

pare the changhe change in m

an the magnitu

of the change

Figure 2, sketc

during this pe

omentum)

s

-6 July 2012

24/26

es the product

and opposite

ge in momentumomentum.

ude of the chan

in momentum

ch correspondi

eriod?

FA

e in

um

nge

m of

ing

E Gam(i

m

m

g

Experiment 2

Glider A is noa momentum mass of glider(A) In theinstant during

How doesmagnitude and

The magniThe directi Discuss th The magn

momentum ofThe directi Using valu

graph of glide

ow launched wof 50 kg m s¬r C is 40 kg. Te space provid the collision.

s the net forced direction of titude of FA is gion of FA is sam

he magnitude a

nitude of changf glider C. ion of change

ues obtained frr C with an ap

AA

iAv

Free-body

FA

Parallel Session

with a moment¬-1. After the iThe coefficientded, draw sepa

e on glider Athe net force. greater than / eme as / opposi

and direction o

ge in moment

in momentum

from the Java sppropriate valu

C

iCv

y diagram for g

A

R

MAg

Oral Prese

02.09|Date & Tim

tum of 200 kginelastic collist of restitutionarate free-body

A, FA, compar

equal to / smalite to the direc

of the change in

tum of glider

m of glider A is

simulation, filue.

C

i

glider A

entation [PS.02.09

me: 02.07.2012 /

g m s-1 towardsion, glider A

n e for this colldy diagrams fo

re to the net

ller than the mction of FC.

n momentum.

A is greater th

s same as / opp

ll in the final m

Free-body dia

9.a] The World C

13:00 - 14:30|Hal

ds glider C whreverses direc

lision is 0.897or each glider a

force on glide

magnitude of F

han / equal to

posite to the di

momentum of

AA

fAv

agram for glid

C

R

MCg

Conference on Phy

ll: D403 (3rd Floo

hich is movingction. The mas

7. and for the sys

er C, FC, at t

C.

o / smaller tha

irection of cha

f glider A and

Freeder C

FC

ysics Education 1

or)

g in the opposiss of glider A

stem S of the t

this instant? D

an the magnitu

ange in momen

complete the

C

?vC f

e-body diagram

S

-6 July 2012

25/26

ite direction wis 25 kg and t

two gliders at

Discuss both t

ude of change

ntum of glider

momentum-tim

m for system S

R

MSg

with the

an

the

e in

r C.

me

S

ThinkingComment1. 2 id2. A te3. A boUse the J Adapted frMc Dermo

Questions t on the velocentical mass

ennis ball inciowling ball inJava simulatio

rom Tutorials ott, Shaffer, &

Parallel Session

cities of the bes colliding. ident on a wa

ncident on a son to confirm

in IntroductorP.E.G., U. W

momentum

10

20

-10

Mome

2

1

-

Oral Prese

02.09|Date & Tim

bodies after th

all stationary tab

m your results

ry Physics Wash.

m/kg m s-1

glider

-5

0

00

00

00

200

100 0

-100 200

100

entum/kg m s

g

200

100 0

-100

entation [PS.02.09

me: 02.07.2012 /

hey collide e

ble tennis bal.

©Pren

r C

0 5

-1

s-1

glider C

9.a] The World C

13:00 - 14:30|Hal

lastically for t

l.

ntice Hall, Inc

ti

glider A

5

0 1 t

glider A

Conference on Phy

ll: D403 (3rd Floo

the following

c.

me/ms

final momen

time/ms

-70 A

220

ysics Education 1

or)

situations:

First

ntum of A = _

-6 July 2012

26/26

Edition, 2002

_-70_ kg m s

2

s-1_