what tools do geographers use to study the...

7
If you were to ask 100 people what tools geographers use to study the earth, one of the first answers you will undoubtedly hear will be “maps.” And it is true that maps are one of the most common tools used to answer geographic questions. A map is a visual representation of the earth, or parts of the Earth and can showcase a variety of spatial scales. What are those spatial scales? You can represent a very small portion of the map with great details. Below is an embedded map from Google. It is set to a city in Northern Michigan at the largest scale that that particular map can go to. Take a moment to explore that map at dierent scales and then complete the Google Drive journal activity located here. Section 3 QUESTIONS TO GUIDE INQUIRY 1. What is geography? 2. Why do we study geography? 3. What tools do geographers use? 4. What is geographic inquiry? 5. Why do we need to think globally? What Tools Do Geographers Use to Study the Earth? 14 u u u u a a g g t th o o s s v v w w Interactive 1.5 Google Ma p s Interactive 1.4 Google Drive Journal Activity Refer to this handout together with the Google Maps widget. A Note On Scale: The map activity on this page is set to focus on a city in Northern Michigan at the most zoomed-in scale. This is called the largest scale because objects like buildings and roads are shown at their largest size. At a more zoomed-out scale, objects like buildings and roads may be so small that we cannot see them.

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If y

ou

were

to

ask 1

00

peo

ple

wh

at

too

ls g

eo

gra

ph

ers

use t

o s

tud

y t

he e

art

h,

on

e o

f th

e fi

rst

an

sw

ers

yo

u w

ill

un

do

ub

ted

ly h

ear

will

be “

map

s.”

!A

nd

it

is t

rue t

hat

map

s

are

on

e o

f th

e m

ost

co

mm

on

to

ols

used

to

an

sw

er

geo

gra

ph

ic q

uestio

ns. !A

map

is a

vis

ual re

pre

sen

tatio

n o

f

the e

art

h,

or

part

s o

f th

e E

art

h a

nd

can

sh

ow

case a

variety

of

sp

ati

al sc

ale

s.

Wh

at

are

th

ose s

patial

scale

s?

!Yo

u c

an

rep

resen

t a

very

sm

all

po

rtio

n o

f th

e m

ap

with

gre

at

deta

ils.

Belo

w is a

n

em

bed

ded

map

fro

m G

oo

gle

. !It

is s

et

to a

city in

No

rth

ern

Mic

hig

an

at

the

larg

est

scale

th

at

that

part

icu

lar

map

can

go

to

. !T

ake a

mo

men

t to

exp

lore

that

map

at

diff

ere

nt

scale

s a

nd

th

en

co

mp

lete

th

e G

oo

gle

Drive jo

urn

al

activity lo

cate

d h

ere

.

Se

cti

on

3

QU

ES

TIO

NS

TO

GU

IDE

IN

QU

IRY

1.

Wh

at

is g

eo

gra

ph

y?

2.

Wh

y d

o w

e s

tud

y

ge

og

rap

hy?

3.

Wh

at

too

ls d

o

ge

og

rap

he

rs u

se

?

4.

Wh

at

is g

eo

gra

ph

ic

inq

uir

y?

5.

Wh

y d

o w

e n

ee

d t

o

thin

k g

lob

ally?

Wh

at

To

ols

Do

Ge

og

rap

he

rs U

se

to

Stu

dy t

he

Ea

rth

?

14

us

us

un

un

ar

ar

ge

ge

thth of

of

sc

sc

ve

ve

wi

wi

Inte

rac

tive

1.5

Go

og

le

Maapp

ss

Inte

rac

tive

1.4

Go

og

le

Drive J

ou

rnal A

ctivityy

Refe

r to

th

is h

an

do

ut

tog

eth

er

with

th

e G

oo

gle

Map

s w

idg

et.

A N

ote

On

Sc

ale

:

Th

e m

ap

ac

tivit

y o

n t

his

pa

ge

is

se

t to

fo

cu

s o

n a

cit

y in

No

rth

ern

Mic

hig

an

at

the

mo

st

zo

om

ed

-in

sc

ale

. T

his

is c

alle

d t

he

la

rge

st

sc

ale

be

ca

use

ob

jec

ts lik

e

bu

ild

ing

s a

nd

ro

ad

s a

re s

ho

wn

at

the

ir la

rge

st

siz

e.

At

a m

ore

zo

om

ed

-ou

t sc

ale

, o

bje

cts

lik

e

bu

ild

ing

s a

nd

ro

ad

s m

ay b

e s

o

sm

all t

ha

t w

e c

an

no

t se

e t

he

m.

Ma

ps M

ap

s a

re a

ble

to

sh

ow

in

form

atio

n a

bo

ut

geo

gra

ph

ic a

reas.

Every

map

has a

t le

ast

on

e p

urp

ose. !T

hey c

an

rep

resen

t a p

lace

su

ch

as a

neig

hb

orh

oo

d,

a t

ow

n,

a c

ou

ntr

y, o

r th

e w

orld

overa

ll.

So

metim

es t

hey c

an

sh

ow

hu

man

featu

res. !In

th

e v

ery

firs

t m

ap

yo

u lo

oked

at

in t

he G

oo

gle

Map

s lin

k a

bo

ve,

wh

at

hu

man

ch

ara

cte

ristics s

uch

as r

oad

s,

bu

ildin

gs,

etc

. w

ere

yo

u a

ble

to

see?

!W

hen

yo

u z

oo

med

all

the w

ay o

ut,

were

yo

u s

till

ab

le t

o s

ee

an

y h

um

an

ch

ara

cte

ristics?

Wh

en

yo

ur

pare

nts

were

yo

un

ger, t

hey p

rob

ab

ly w

en

t o

n a

trip

with

th

eir f

am

ilies w

hic

h in

vo

lved

usin

g a

map

of

a s

tate

or

reg

ion

to

get

to t

heir fi

nal d

estin

atio

n. !M

od

ern

tech

no

log

y s

uch

as s

mart

ph

on

es h

ave G

PS

bu

ilt in

wh

ich

has m

ad

e t

hese t

wo

dim

en

sio

nal m

ap

s o

bso

lete

fo

r th

at

pu

rpo

se. !A

ro

ad

trip

is n

ot

the o

nly

use f

or

a m

ap

of

a c

ity o

r a s

tate

, h

ow

ever. !

Map

s c

an

rep

resen

t a v

ariety

of

diff

ere

nt

featu

res a

bo

ut

a p

lace. !T

here

is a

sm

all

pro

ble

m w

ith

map

s h

ow

ever…

If y

ou

were

to

take a

ballo

on

an

d in

flate

it,

th

en

dra

w a

map

of

the w

orld

on

it,

yo

u c

ou

ld,

if y

ou

were

care

ful, g

et

a v

ery

clo

se

ap

pro

xim

atio

n o

f w

hat

the w

orld

overa

ll lo

oks lik

e. !If

yo

u w

ere

extr

em

ely

care

ful yo

u c

ou

ld

rep

resen

t th

e c

on

tin

en

ts o

f th

e

eart

h d

raw

n t

o a

pre

cis

e s

cale

d

siz

e. !T

his

is b

ecau

se a

ballo

on

is a

rou

nd

, th

ree-d

imen

sio

nal o

bje

ct.

!A

map

, h

ow

ever, is a

tw

o-d

imen

sio

nal

ob

ject.

!If y

ou

were

to

po

p t

hat

ballo

on

(m

uch

lik

e p

eelin

g t

he

ora

ng

e in

th

e v

ideo

ab

ove) w

hat

yo

u a

re left

with

is a

mu

ch

less

usefu

l re

pre

sen

tatio

n o

f th

e e

art

h.

In

an

att

em

pt

to r

ep

resen

t a t

hre

e d

imen

sio

nal o

bje

ct

in t

wo

dim

en

sio

ns,

map

makers

, kn

ow

n a

s c

art

og

rap

hers

, h

ave c

reate

d

diff

ere

nt

ways t

o r

ep

resen

t th

e e

art

h. !T

hese a

re k

no

wn

as m

ap

pro

jectio

ns. !T

here

are

hu

nd

red

s o

f d

iffere

nt

typ

es o

f p

roje

ctio

ns

an

d e

ach

has p

lusses a

nd

min

uses in

its

usag

e.

15

al

Inte

rac

tive

1.7

Map

P

roje

ctio

ns V

ideo

Learn

mo

re a

bo

ut

map

pro

jectio

ns

with

th

is v

ideo

. (R

eq

uires in

tern

et

co

nn

ectio

n)

Inte

rac

tive

1.6

Th

e O

ran

ge

Ta

ke t

his

map

fo

r

exam

ple

. !T

his

is k

no

wn

as a

Merc

ato

r p

roje

ctio

n.

!A M

erc

ato

r p

roje

ctio

n

wo

uld

be a

n e

xcelle

nt

map

fo

r a n

avig

ato

r o

n a

sh

ip. !In

fact,

th

is k

ind

of

map

was e

xtr

em

ely

usefu

l

in n

avig

atio

n. !O

ne o

f th

e

pro

ble

ms w

ith

th

is m

ap

is

the d

isto

rtio

n o

f siz

e. !If

yo

u lo

ok a

t G

reen

lan

d o

n t

his

map

, it a

pp

ears

to

be h

ug

e.

!Au

str

alia

, th

e s

mall

co

ntin

en

t in

th

e b

ott

om

rig

ht

han

d p

ort

ion

of

the m

ap

, lo

oks lik

e it

is m

uch

sm

alle

r th

an

Gre

en

lan

d. !In

actu

alit

y

ho

wever, G

reen

lan

d is m

uch

sm

alle

r. !

An

tarc

tica a

lmo

st

ap

pears

to b

e a

s larg

e a

s t

he r

est

of

the c

on

tin

en

ts t

og

eth

er. !S

o,

wh

ile a

Merc

ato

r P

roje

ctio

n is a

gre

at

map

fo

r u

se in

navig

atio

n,

it d

oes

no

t p

roje

ct

the w

orld

as it

is d

ue t

o t

he d

isto

rted

siz

e o

f cert

ain

are

as.

An

oth

er

well

kn

ow

n m

ap

pro

jectio

n is k

no

wn

as a

Gall-

Pete

rs

Pro

jectio

n,

or

mo

re c

om

mo

nly

, a P

ete

rs P

roje

ctio

n. !T

here

is a

gre

at

co

ntr

overs

y s

urr

ou

nd

ing

th

e o

rig

ins o

f th

is m

ap

, w

hic

h y

ou

mig

ht

wan

t to

take a

few

min

ute

s t

o lo

ok u

p in

th

e f

utu

re. !In

a

pro

jectio

n s

uch

as t

he o

ne a

bo

ve,

part

s o

f th

e w

orld

are

rep

resen

ted

clo

ser

to

their a

ctu

al

scale

s. !If,

ho

wever,

yo

u

co

mp

are

this

map

to

the M

erc

ato

r

pro

jectio

n,

wh

at

do

yo

u

no

tice a

bo

ut

the s

hap

e o

f la

nd

masses?

!T

here

is a

dis

tin

ct

dis

tort

ion

so

mew

here

on

the m

ap

.

Th

e n

ext

pro

jectio

n w

e

will

take a

lo

ok

at

is k

no

wn

as

a R

ob

inso

n

Pro

jectio

n.

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era

lly

sp

eakin

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a

Ro

bin

so

n

pro

jectio

n is a

n a

ttem

pt

to c

om

pro

mis

e a

nd

sh

ow

th

e

lan

dm

asses a

s c

lose t

o t

heir n

atu

ral siz

e a

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sh

ap

e a

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ex

as

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e t

op

an

d b

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of

the m

ap

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hat

do

yo

u n

otice h

ap

pen

ing

?

No

w,

thin

k b

ack t

o t

he v

ideo

yo

u w

atc

hed

at

the b

eg

inn

ing

ab

ou

t

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ran

ge. !A

no

ther

pro

jectio

n is k

no

wn

as t

he G

oo

de

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e P

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jectio

n. !In

th

is p

roje

ctio

n t

yp

e,

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ery

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isto

rtio

n in

term

s o

f siz

e o

f co

ntin

en

ts,

ho

wever

it is v

ery

diffi

cu

lt t

o c

alc

ula

te

dis

tan

ces o

n a

map

su

ch

as t

his

. !If

yo

u w

ere

takin

g a

pla

ne r

ide

fro

m N

ew

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rk t

o L

on

do

n,

it w

ou

ld b

e d

ifficu

lt t

o fi

gu

re o

ut

the

exact

dis

tan

ce if

this

were

th

e o

nly

map

availa

ble

to

yo

u.

Belo

w is a

galle

ry o

f m

an

y d

iffere

nt

map

pro

jectio

ns. !A

s y

ou

flip

thro

ug

h t

he g

alle

ry,

thin

k a

bo

ut

ho

w e

ach

map

mig

ht

be u

sefu

l,

an

d w

hat

the d

isad

van

tag

es o

f th

e m

ap

mig

ht

be. !

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f th

e m

an

y t

oo

ls t

hat

geo

gra

ph

ers

use t

o

stu

dy t

he e

art

h. !B

ut

wh

at

are

so

me o

f th

e o

thers

?

Ae

ria

l P

ho

tog

rap

hs a

nd

Sa

tellit

e I

ma

ge

ry

Wh

en

yo

u lo

ok a

t th

e im

ag

e a

bo

ve,

wh

at

do

yo

u s

ee?

!T

his

is a

sate

llite

im

ag

e c

ap

ture

d o

f th

e U

nited

Sta

tes. !T

he “

go

ld”

on

th

e

map

rep

resen

ts c

ity lig

hts

, w

hic

h in

tu

rn c

an

help

so

meo

ne

stu

dyin

g t

his

im

ag

e u

nd

ers

tan

d w

here

so

me o

f th

e m

ajo

r

metr

op

olit

an

are

as a

re in

th

e U

nited

Sta

tes. !Y

ou

will

no

tice t

hat

on

e p

ort

ion

of

the U

nited

Sta

tes s

eem

s t

o h

ave a

lo

t o

f

these lig

hts

, w

hile

larg

e p

ort

ion

s o

f th

e W

este

rn h

alf o

f th

e

Un

ited

Sta

tes a

re m

uch

sp

ott

ier. !

A “

wh

y”

qu

estio

n a

geo

gra

ph

er

mig

ht

ask a

bo

ut

this

wo

uld

be:

“W

hy a

re t

here

mo

re larg

e u

rban

are

as o

n t

he e

aste

rn h

alf o

f th

e U

nited

Sta

tes

than

th

e w

este

rn h

alf?

” !B

y lo

okin

g a

t th

is im

ag

e,

geo

gra

ph

ers

mig

ht

then

lo

ok a

t m

ap

s a

nd

oth

er

aerial p

ho

tog

rap

hs t

o g

et

an

an

sw

er

to t

his

qu

estio

n. !

18

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e s

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gra

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his

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geo

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use s

om

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am

e t

oo

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xp

lore

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t w

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peo

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reg

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att

em

pt

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nd

ers

tan

d

wh

y. !

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igh

t als

o lo

ok a

t p

rim

ary

so

urc

e d

ocu

men

ts -

firs

t

han

d a

cco

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ts f

rom

peo

ple

wh

o liv

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du

rin

g t

he t

ime t

o g

et

a

sen

se o

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hy p

eo

ple

cam

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here

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mo

vem

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th

is r

eg

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was

recen

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hey m

igh

t even

in

terv

iew

liv

ing

peo

ple

to

get

clu

es. !

Wh

at

has b

een

ou

tlin

ed

in

th

is s

ectio

n is b

y n

o m

ean

s a

fu

ll lis

t

that

sh

ow

s y

ou

every

to

ol a g

eo

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ph

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can

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focu

sed

on

so

me o

f th

e m

ost

co

mm

on

on

es,

an

d y

ou

’ll et

pra

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ith

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an

d m

an

y m

ore

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rou

gh

ou

t th

e b

oo

k.

Retu

rn o

nce m

ore

to

th

e “

Wh

at

Too

ls D

o G

eo

gra

ph

ers

Use t

o

Stu

dy t

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art

h”

no

te g

uid

e. !T

here

is o

ne fi

nal q

uestio

n f

or

yo

u

to e

xp

lore

befo

re m

ovin

g in

to t

he n

ext

sectio

n.

20

Inte

rac

tive

1.8

Go

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DDrrivvee DD

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