Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Solar System Test Review

Total questions: 50

Worksheet time: 37mins

Name
Class
Date
1.
Of the known planets in our solar system, which characteristic is unique to the planet Earth?
a)
orbited by a moon
b)
has a gravitational field
c)
revolves around the Sun
d)
covered mostly by water
2.
Where do most asteroids exist? 
a)
Near Earth
b)
Near Pluto
c)
Spread evenly throughout the Solar System
d)
In asteroid belt
3.
Most of the gravity in the Solar System is generated by the Sun.
a)
True
b)
False
4.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
5.

Why is it hard to build a perfect scale model of our solar system?

a)

The colors of the objects

b)

The relative size and distance between objects

c)

The composition of the objects

d)

The shape of each object

6.

The ________________ of the Sun causes the orbital motions of the objects in the solar system.

a)

gravitational pull

b)

chemical composition

c)

brightness

d)

ultra-violet rays

7.

The sun is the anchor point of our solar system because of

a)

the gas Hydrogen

b)

its small density

c)

its huge mass

d)

its location

8.

Which is needed to determine the amount of gravitational force between two objects?

a)

distance and mass

b)

weight and time

c)

area and weight

9.

What are the four outer planets?

a)

Mercury, Venus, Earth and Mars

b)

Jupiter, Saturn, Uranus, Neptune

c)

Earth, mars, Jupiter, Saturn

d)

Uranus, Neptune, Mercury, Venus

10.

What are the terrestrial (inner) planets

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

c)

Earth, Mars, Jupiter, Saturn

d)

Uranus, Neptune, Mercury, Venus

11.

All the space and the matter space contains

a)

Space

b)

Solar System

c)

Universe

d)

Sun

12.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
13.

A(n) _____ is the curved path of an object around a point/object in space.

a)

orbit

b)

rotation

c)

revolution

d)

phase

14.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
15.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
16.

How would you describe the orbits?

a)

Moving.

b)

Nearly circular.(elliptical)

c)

Revolving around each other.

17.
Which are the Rocky/Terrestrial Planets?
a)
Jupiter, Saturn, Uranus, Neptune
b)
Mercury, Venus, Earth, Mars
c)
Jupiter, Earth, Saturn, Venus
d)
Mercury, Uranus, Neptune, Mars
18.
Which are the Gas Giant, Planets?
a)
Jupiter, Saturn, Uranus, Neptune
b)
Mercury, Venus, Earth, Mars
c)
Jupiter, Earth, Saturn, Venus
d)
Mercury, Uranus, Neptune, Mars
19.

Why does Mercury have the shortest year of all the planets?

a)

It is a small planet.

b)

It is closest to the sun.

c)

It spins faster than any other planet.

d)

It is the planet with the most temperature extremes.

20.

What is a large round object in space that follows a path around the sun called?

a)

Planet

b)

Moon

c)

Galaxy

d)

Universe

21.

What is it called when an object spins on a center point?

a)

revolve

b)

rotate

c)

orbit

22.

What is a large piece of rock or metal flying through space called?

a)

Planet

b)

Asteroid

c)

Sun

d)

Moon

23.

What is a giant ball of light made of hot gas called?

a)

Star

b)

Planet

c)

Asteroid

d)

Galaxy

24.
It takes 365 days for 
a)
Earth to travel halfway around the Sun
b)
the Moon to travel halfway around Earth
c)
Earth to complete one orbit around the Sun.
d)
the Moon to complete one orbit around Earth
25.
In which characteristic does Earth differ from the other planets?
a)
It has liquid water
b)
It is dense and small
c)
It is made up of rocky material
d)
It is surrounded by atmosphere
26.
Why is Pluto no longer considered a planet?
a)
It is too small
b)
It is too far from the Sun
c)
It is too hot
d)
It is too cold
27.

A planet has twice the mass of Earth and the same radius as Earth. If you were standing on this planet, the force of gravity would be…

a)

twice that on Earth.

b)

half that on Earth.

c)

the same as on Earth.

d)

four times greater than Earth's.

28.

Anything with ____________ also has a gravitational pull.

a)

mass

b)

size

c)

depth

d)

light

29.

Which of these statements are true about the outer planets?

a)

The outer planets have many moons

b)

The outer planets orbit in a different direction

c)

The outer planets have higher densities

d)

The outer planets have smaller diameters

30.

What does this picture represent?

a)

Our universe.

b)

Planet Earth.

c)

Our solar system

d)

Our Milky Way Galaxy

31.

Which of the 8 planets in our Solar System is farthest away from the Sun?

a)

Earth

b)

Jupiter

c)

Neptune

d)

Venus

32.

Pluto is considered what?

a)

A dwarf planet

b)

A gas giant

c)

The red planet

d)

A moon

33.

How can you tell the difference between moons and planets?

a)

Moons are larger than planets

b)

Moons orbit around the planets, and planets orbit around the Sun

c)

Planets orbit around the moon, and moons orbit around the Sun

d)

Moons orbit around the Sun and planets do not

34.

Which is the largest planet in our solar system

a)

Saturn

b)

Uranus

c)

Mars

d)

Jupiter

35.

What is happening to the ORBITS of our planets

a)

They are Contracting (getting smaller)

b)

They are Evaporating

c)

They are Expanding (getting bigger)

d)

They are Spinning

36.

What is the hottest planet

a)

Venus

b)

Mercury

c)

Mars

d)

Saturn

37.

How many planets are in our solar system (not including pluto)

a)

9

b)

8

c)

10

d)

7

38.

Earth revolves around the sun, but it also makes one complete rotation. How long does it take Earth to make one complete rotation on its axis?

a)

365 days

b)

1 month

c)

1 day

d)

1 week

39.
The Earth spins on a tilted angle called a (an) 
a)
Axis
b)
Invert
c)
Revolution
d)
Bounce
40.
What does REVOLUTION mean?
a)
To SPIN
b)
To ORBIT or GO AROUND
41.
Why do globes lean sideways?
a)
To allow them to spin easier.
b)
To demonstrate the tilt of Earth's axis.
c)
To demonstrate the effects of gravity.
d)
To demonstrate day and night.
42.

Polaris is also known as the...

a)

Big Dipper

b)

Little Dipper

c)

North Star

d)

South Star

43.

How long does it take earth to revolve around the sun?

a)

a month

b)

a year

c)

a day

d)

3 months

44.

How long does it take earth to rotate?

a)

a month

b)

a year

c)

3 months

d)

a day

45.
It takes the moon ________ to orbit the Earth.
a)
1 month
b)
1 year
c)
1 second
d)
1 million years
46.

The asteroid belt is located:

a)

between the sun and Mercury.

b)

between Jupiter and Saturn

c)

between the sun and Mars.

d)

between Mars and Jupiter

47.

Which of the following are in our solar system?(pick more than one answer)

a)

planets

b)

multiple stars

c)

moons

d)

asteroids

e)

comets

48.

What are the characteristics of the inner planets in the solar system?

a)

Giant balls of gas and ice

b)

Hard and rocky

c)

Very Large

d)

Smaller

e)

Have many moons

49.

What are the characteristics of the outer planets in the solar system?

a)

Giant balls of gas and ice

b)

Hard and rocky

c)

Very Large

d)

Smaller

e)

Have many moons

50.

How can you tell the difference between moons and planets?

a)

moons are smaller than planets

b)

planets have life, moons do not

c)

planets orbit around stars, moons orbit around planets

d)

planets have rings