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WorksheetsUnit 1.2 Review Earth's Place in the Solar System
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
What affects the strength of gravity?
a)
mass, distance
b)
mass, weight
c)
shape, height
d)
mass, height
2.
When is a planet orbiting the sun the SLOWEST?
a)
closest to the sun
b)
furthest from sun
3.
When is a planet orbiting the sun the FASTEST?
a)
closest to the sun
b)
furthest from sun
4.
Which factor does NOT affect speed of fall?
a)
air resistance
b)
mass
5.
Which statement is TRUE about distance and gravity?
a)
The more distance, the more gravity.
b)
The less distance between objects, the least strength of gravity.
c)
The greater the distance between objects, the greater the strength of gravity.
d)
The greater the distance between objects, the less strength of gravity.
6.
What fraction of Earth's is the moon's gravitational pull?
a)
1/2
b)
1/6
c)
1/3
d)
1/5
7.
Where does Earth's gravity pull towards?
a)
south pole
b)
north pole
c)
center of earth
d)
equator
8.
What is the force that attracts objects together?
a)
gravity
b)
velocity
c)
massivity
d)
galaxy
9.
What type of galaxy is ours?
a)
ovular
b)
spherical
c)
spiral
d)
elliptical
10.
Approximately how many STARS are in the Milky Way galaxy?
a)
600-1000 million
b)
600-1000 billion
c)
100-400 milllion
d)
100-400 billion
11.
Approximately how old is the sun?
a)
4.5 million years old
b)
4.5 billion years old
c)
4.5 trillion years old
d)
we have NO idea!
12.
What is likely to be located at the center of our galaxy?
a)
the sun
b)
Andromeda
c)
Sagittarius, a black hole
d)
local group
13.
Which is NOT true about galaxies AND solar systems?
a)
they both orbit around stars
b)
there are planets in both
c)
they both have stars
d)
they have dark matter
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