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Solar System Review

Total questions: 43

Worksheet time: 26mins

Name
Class
Date
1.
Planets that are closer to the sun
a)
take more time to orbit
b)
take less time to orbit
2.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
3.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
4.
Which planet is fifth from the sun?
a)
Saturn
b)
Jupiter
c)
Mars
d)
Earth
5.
Which planet is seventh from the sun?
a)
Saturn
b)
Earth
c)
Venus
d)
Uranus
6.
which planet is the third from the sun?
a)
Mercury 
b)
Neptune 
c)
Pluto 
d)
Earth 
7.
Which is the fourth planet from the sun?
a)
Mars
b)
Saturn
c)
Earth
d)
Jupiter
8.
Which is the second closest planet to the sun?
a)
Earth
b)
Saturn
c)
Venus
d)
Mercury
9.
Which Planet comes after Earth in the solar system?
a)
Mercury
b)
Mars 
c)
Venus 
d)
Eros
10.

The Earth orbits around...

a)

the Sun

b)
the moon
c)
other planets
d)
the Milky Way
11.
True or False
The Earth is the center of the solar system.
a)
True
b)
False
12.
What is a common characteristic of the inner planets?
a)
Large
b)
Gaseous
c)
Rings
d)

Rocky

13.
What is NOT a common characteristic of the outer planets?
a)
Gaseous
b)
Giant
c)
Rings
d)
Smaller than Earth
14.
Which planet is the smallest?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
15.

What is in between the inner planets and the outer planets?

a)

Asteroid belt

b)

Kuiper belt

c)

Sun

d)

Moon

16.
What force keeps the planets orbiting the sun?
a)
Gravity
b)
Magnetism
c)
Electricity
d)
Friction
17.

Pluto is classified as a

a)

planet

b)

comet

c)

dwarf planet

d)

asteroid

18.

Which is an inner planet? Choose ALL correct answers.

a)

Venus

b)

Saturn

c)

Mars

d)

Neptune

19.

Which is an outer planet? (choose ALL correct answers)

a)

Earth

b)

Jupiter

c)

Uranus

d)

Saturn

20.

Which object has the most gravity in our solar system?

a)

our moon

b)

Earth

c)

the Sun

d)

Jupiter

21.

Which has more gravity?

a)

Earth

b)

our moon

22.

Which of these planets would have the longest planetary year?

a)

Saturn

b)

Mercury

c)

Earth

d)

Mars

23.
When a meteor hits Earth, what is it called?
a)
meteorite
b)
meteroid
c)
meteor
24.

What are meteors made of?

a)

chunks of rock and metal

b)

gases

c)

ice, rock, and dust

25.

I am a rock entering a Earth's atmosphere.

a)

meteor

b)

meteorite

c)

asteroid

d)

comet

26.

Objects made of ice, gas and dust and orbit our sun are called:

a)

Asteroids

b)

Comets

c)

Meteroids

d)

Meteors

27.
Asteroids "hang out" in our solar system in a place called:
a)
The Kupier Belt
b)
The Oort Cloud
c)
The Planetary Rings
d)
The Asteroid Belt
28.

Huge chunks of rock and metal (some measuring miles wide) and are believed to be left-over pieces of planets are called:

a)

Comets

b)

Meteors

c)

Asteroids

d)

Meteroids

29.
These objects that orbit the sun are nicknamed, "dirty snowballs."
a)
Comets
b)
Asteroids
c)
Meteors
d)
Meteroids
30.
Which space object is larger?
a)
Asteroid
b)
Meteor
c)
Meteorite
31.
They are sometimes called shooting stars
a)
interplanetary dust
b)
asteroids
c)
comets
d)
meteors
32.

How many planets are in our solar system?

a)

1

b)

4

c)

8

d)

9

33.

What size star is the sun?

a)

small

b)

medium

c)

large

34.

A person would jump higher on the moon than on the Earth because...

a)
the moon has less mass, and therefore less gravity
b)
the moon has more mass, and therefore less gravity
c)
the moon has less mass, and therefore more gravity
d)
the moon has more mass, and therefor more gravity
35.

Without gravity planets would________. 

a)

float away

b)

get closer to the Sun

c)

nothing would happen

d)
I don't know
36.

Which are warmer?

a)

Inner Planets

b)

Outer Planets

37.

Which are larger?

a)

Inner Planets

b)

Outer Planets

38.

Which have longer years?

a)

Inner Planets

b)

Outer Planets

39.

Which have more moons?

a)

Inner Planets

b)

Outer Planets

40.

Which are more solid and rocky?

a)

Inner Planets

b)

Outer Planets

41.
Very few moons
a)
Inner planets
b)
Outer planets
42.
Shorter revolutions
a)
Inner planets
b)
Outer planets
43.
Terrestrial planets
a)
Inner planets
b)
Outer planets

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