teacher demonstration cloud in a bottle … · rubbing alcohol-unicycle air supply mini pump from...
TRANSCRIPT
© G
rade
Sch
ool G
iggl
es©
Gra
de S
choo
l Gig
gles
© G
rade
Sch
ool G
iggl
es
Clo
ud I
n A
Bot
tle
Teach
er
Dem
ons
trati
on
Materia
ls:
-C
lear 2
-liter p
lastic
bottle
-Rubbin
g a
lcohol
-Unic
ycle
air
supply
min
i pum
p f
rom
ww
w.U
nic
ycle
.com
or o
ther p
um
p t
hat t
ightly
fit
s in t
he t
op o
f a
2-liter
bottle
Dir
ectio
ns:
Step 1: Pour
about a
half
inch o
f t
he r
ubbin
g a
lcohol in
to t
he 2
-liter b
ottle
.
Roll
the b
ottle
around t
o c
oat t
he s
ides.
Step 2
: Fit
the a
ir p
um
p into
the t
op o
f t
he b
ottle
. H
old
the p
um
p w
ith
one h
and o
ver t
he t
op o
f t
he b
ottle
to k
eep t
he p
um
p a
nd t
he t
op o
f
the b
ottle
steady. Pum
pthe a
ir p
um
p 2
0-30
tim
es.
Step 3
: Q
uic
kly
rem
ove t
he p
um
p o
ut o
f t
he b
ottle
. A
clo
ud
should
appear a
lmost instantly
.
Step 5
: W
ait
and o
bserve t
o s
ee w
hat f
orm
s a
t t
he t
op o
f y
our jar.
Expla
natio
n
As w
ater e
vaporates it t
urns into
water v
apor. T
he v
apor t
ravels
up t
hrough t
he a
tm
osphere. A
s it t
ravels
the
tem
perature d
rops a
nd t
he a
ir p
ressure d
ecreases. A
s t
he r
isin
g a
ir c
ools
and e
xpands t
he m
ole
cule
s o
f w
ater
vapor c
ondense a
round t
iny p
artic
les o
f d
ust, s
moke, etc
. that a
re in t
he a
ir. T
he c
ondensin
g w
ater d
rople
ts
create t
he c
louds w
e s
ee f
rom
the g
round.
Makin
g a
Clo
ud in a
Bottle
Teacher D
em
onstratio
n A
ctiv
ity
© G
rade S
chool G
iggle
s
After w
atc
hin
g t
he d
em
onstratio
n, draw
what y
ou s
ee in t
he b
ottle
when it w
as
under p
ressure a
nd o
nce t
he p
ressure w
as r
ele
ased.
How
do t
he
air
pressure a
nd t
he t
em
perature c
hange
as
water
vapor
travels
up into
the a
tm
osphere?
The c
loud in t
his
dem
onstratio
n w
as m
ade o
f r
ubbin
g a
lcohol because it
evaporates q
uic
ker t
han w
ater d
oes. But w
hat a
re
real clo
uds m
ade o
f?
Makin
g a
Clo
ud in a
Bottle
travels
© G
rade S
chool G
iggle
s
Under P
ressure
Pressure R
ele
ased
© G
rade
Sch
ool G
iggl
es
Pla
stic
Bag
Wate
r Cy
cle
© G
rade
Sch
ool G
iggl
es©
Gra
de S
choo
l Gig
gles
Pla
stic
Bag
Wate
r Cy
cle
Supplies:
*gallo
n s
ize p
lastic
bag
*food c
olo
rin
g
*perm
anent m
arkers
*packin
g t
ape
*w
ater
*
hair
dryer/sunny w
indow
Dir
ectio
ns:
Draw
a m
odel of t
he w
ater c
ycle
on t
he o
utsid
e o
f y
our b
aggie
. A
dd a
bout 2
inches o
f w
ater t
o t
he b
ag. A
dd a
few
drops
of f
ood c
olo
rin
g t
o t
he w
ater. Seal the b
ag. M
ake s
ure it is t
otally
shut! Tape t
he b
ag t
o a
sunny w
indow
wit
h a
strip
of
packin
g t
ape a
long t
he t
op o
f t
he b
aggie
. If it is n
ot a
sunny d
ay y
ou c
an u
se a
hair
dryer o
n low
to s
peed t
hin
gs a
long.
Just b
e s
ure n
ot t
o h
old
the h
air
dryer t
oo c
lose t
o t
he b
aggie
.
Observe w
hat h
appens a
nd w
rite a
bout it.
Once y
our b
ag h
as b
een s
ittin
g in t
he s
unshin
e o
r w
arm
ed u
p w
ith a
hair
dryer look a
nd s
ee if y
ou n
otic
e a
nythin
g
happenin
g. W
hat d
o y
ou s
ee?
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Wha
t c
olo
r w
ere t
he w
ater d
rops a
t t
he t
op o
f y
our b
ag?
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
Why d
o y
ou t
hin
k t
he w
ater d
rops a
t t
he t
op o
f y
our b
ag w
ere n
ot t
he s
am
e c
olo
r a
s t
he w
ater in t
he b
otto
m?
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Nam
e: __
____
____
____
__
© G
rade S
chool G
iggle
s
Pla
stic
Bag W
ater C
ycle
s:
© Grade School Giggles
How To Use This
Weather Log
Record the date.
Draw a picture to show the type of
weather. Record the temperature each
day.
Draw a picture to show the type of precipitation. Put
an X on days without
precipitation.
Record the amount of
precipitation each day.
Record the wind conditions as none, breezy, or windy.
You can also record the wind
speed.
Use a wind vane or windsock with a compass to find
the wind direction. Record the direction.
Complete the weather log by gathering data daily with your class for one week. You will need some simple weather tools: a thermometer, a rain gauge, and a wind vane (or wind sock and compass). Alternatively, you can use a newspaper or an online weather site to complete the log.
This weather log covers one school week. You can simply use the weather log on its own or you can create a booklet by stapling the cover page, blackline posters, and the weather log together. If you would like to record the weather over a longer period simply run additional copies.
Weather Tools
A barometer measures air
pressure.
An anemometer measures wind speed.
Wind socks andwind vanes determine
the wind direction.
Thermometers measure temperature.
A rain gauge measures the amount of rain
fall.
A hygrometermeasures the
humidity.
Wind turbinesuse wind to make
electricity.
Weather balloonshelp scientists take measurements
high up in the atmosphere.
A compassshows where
each direction is.
Weather satellitesmonitor weather from high above the Earth. They send information
and images back to Earth.
© Grade School Giggles
Weather Symbols
Sunny
© Grade School Giggles
Sunny Partly Cloudy Cloudy
Windy Rainy Snowy
High Pressure
Low PressureWarm Front Cold Front
___________’sWeather Log
© Grade School Giggles
© Grade School Giggles
Monday
___/___/___
Tuesday
___/___/___
Wednesday
___/___/___
Thursday
___/___/___
Friday
___/___/___
Type of Weather?
Temperature?
Type of Precipitation?
Amount of Precipitation?
Windy Conditions?
Wind Direction?
Weather Log
Precipitation?
Conditions?
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