Reason About Scale
Middle School Science · Flashcards · Application
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
What real distance does
1
cm
1\text{ cm}
1
cm
represent on a map with scale
1
:
50,000
1:50{,}000
1
:
50
,
000
?
QUESTION
What is the ratio of Earths diameter to the Moons diameter using
12,742
km
12{,}742\text{ km}
12
,
742
km
and
3,474
km
3{,}474\text{ km}
3
,
474
km
?
QUESTION
Which object is larger in diameter: Earth at
1.27
×
10
4
km
1.27\times 10^4\text{ km}
1.27
×
1
0
4
km
or the Moon at
3.47
×
10
3
km
3.47\times 10^3\text{ km}
3.47
×
1
0
3
km
?
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ANSWER
Earth.
1.27
×
10
4
>
3.47
×
10
3
1.27 \times 10^4 > 3.47 \times 10^3
1.27
×
1
0
4
>
3.47
×
1
0
3
(compare exponents first).
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