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WorksheetsEarth and Space Unit Review
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
What do inner planets have in common?
a)
They are made of gas.
b)
They have rings.
c)
The are made of rock.
d)
They have many moons.
2.
What is a similarity between comets and asteroids?
a)
The both orbit the sun.
b)
They both orbit earth.
c)
They both have same orbital speeds.
d)
They both have ice and dust.
3.
What is a difference between comets and asteroids?
a)
They have different rotation speeds.
b)
Comets are not made of rock.
c)
Asteroids have tails and comets do not.
d)
They have different orbital speeds.
4.
Which of the following is in the correct order from biggest to smallest.
a)
Moon, Earth, Sun
b)
Earth, Moon, Sun
c)
Sun, Earth, Moon
d)
Earth, Sun, Moon
5.
Which celestial body orbits fastest in space?
a)
The earth around the sun.
b)
The sun around the earth.
c)
The moon around earth.
d)
The moon around the sun.
6.
Choose the correct answer.
a)
Moon orbits the earth; earth orbits the sun.
b)
Sun orbits the moon; moon orbits earth.
c)
Moon orbits sun; sun orbits earth.
d)
Earth orbits moon; moon orbits earth.
7.
What is a difference between the sun and earth?
a)
The earth is made of gas and the sun is made of rock.
b)
The earth is made of rock and the sun is made of gas.
c)
The earth has one moon and the sun has many moons.
d)
The earth has an atmosphere and the sun does not.
8.
What is the correct order of the planets from the sun?
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
b)
Mercury, Earth, Venus, Mars, Jupiter, Saturn, Uranus, Neptune
c)
Neptune, Jupiter, Earth, Mercury, Mars, Saturn, Venus, Uranus
d)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
9.
What is a similarity between the sun and earth?
a)
They are both made of rock.
b)
They both give off light.
c)
They both have atmospheres.
d)
They both are made of gases.
10.
What is the biggest celestial body in our solar system?
a)
Jupiter
b)
The Sun
c)
Earth
d)
Saturn
11.
Which have the longest orbital time in our solar system?
a)
inner planets
b)
outer planets
c)
asteroids
12.
Planets revolve around sun because of:
a)
gravity
b)
friction
c)
magnetism
d)
rotation
13.
How long does it take earth to revolve around the sun?
a)
24 hours
b)
365 days
c)
27 days
d)
509 days
14.
How long does it take earth to rotate once on it's axis?
a)
24 hours
b)
365 days
c)
27 days
d)
509 days
15.
If Earth's rotation decreased what would happen?
a)
The year would be shorter.
b)
The year would be longer.
c)
The day would be shorter.
d)
The day would be longer
16.
What percentage of the earth is experiencing nighttime at the same time?
a)
25%
b)
50%
c)
75%
d)
100%
17.
Why does the sun appear so big in our sky?
a)
because it is far away from earth
b)
because it is the brightest of all the stars
c)
because it is yellow
d)
because it is closest to earth
18.
The color of a star (sun) determines its:
a)
gravitational pull
b)
brightness
c)
temperature
d)
distance
19.
A star is a:
a)
comet
b)
sun
c)
asteroid
d)
meteorite
20.
The revolution AND tilt of the earth gives us:
a)
day/night
b)
years
c)
days
d)
seasons
21.
When it is winter in the northern hemisphere why do plants have trouble growing?
a)
The earth is tilted away from the sun and does receive direct sun rays.
b)
The earth is tilted toward the sun and receives direct sun rays.
c)
The earth is tilted away from the sun and receives indirect sun rays.
d)
The earth is tilted toward the sun and receives indirect sun rays.
22.
Our sun is:
a)
small, blue, dwarf
b)
medium, yellow, giant
c)
medium, yellow, dwarf
d)
small, white, dwarf
23.
When I drop a ball from my hand, why does it fall down toward earth?
a)
acceleration
b)
magnetism
c)
friction
d)
gravity
24.
Where would the sun be at 7 in the morning?
a)
low and to the east
b)
straight above
c)
low and to the west
d)
on the other side of the world
25.
Why do we have more hours of daylight in the summer months rather than the winter months?
a)
The earth is tilted away from the sun causing more rays of direct sunlight.
b)
The earth is tilted toward the sun causing more direct rays of sunlight.
c)
The earth is tilted toward the sun causing more rays of indirect sunlight.
d)
The earth is tilted away from the sun causing more rays of indirect sunlight.
26.
Why is pluto no longer considered a planet?
a)
It is too small.
b)
It is not spherical
c)
It is too cold.
d)
It hasn't cleared its orbital path of debris and will run into Neptune at some point.
27.
Which has the correct order of celestial bodies from smallest to biggest.
a)
meteor, meteorite, meteoroid, asteroid, comet
b)
comet, asteroid, meteoroid
c)
meteorite, meteor, meteoroid, comet, asteroid
d)
asteroid, comet, meteorite
28.
Where are most asteroids located?
a)
in the Kupier belt near Pluto
b)
in the asteroid belt between Mars and Jupiter
c)
in the asteroid belt between Saturn and Uranus
d)
in the asteroid belt between Earth and Mars
29.
Comets are made of:
a)
water vapor
b)
gasses
c)
rock and minerals
d)
ice and dust
30.
Why are asteroids not considered planets?
a)
they are too cold
b)
they aren't spherical
c)
they don't have moons
d)
they are too far away
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