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The Solar System

Total questions: 25

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

What is the closest planet to the Sun?

a)

Venus

b)

Mercury

c)

Earth

d)

Mars

2.

What four planets are gas planets?

a)

Mercury, Venus, Earth, Mars

b)

Mercury, Venus, Jupiter, Saturn

c)

Neptune, Uranus, Earth, Jupiter

d)

Jupiter, Saturn, Uranus, Neptune

3.

Which planet takes the longest to revolve around the Sun?

a)

Earth

b)

Jupiter

c)

Uranus

d)

Neptune

4.

Which planet is the largest?

a)

Saturn

b)

Jupiter

c)

The Sun

d)

Earth

5.

Which one of the following is a dwarf planet?

a)

Mercury

b)

Venus

c)

Pluto

d)

Mars

6.

Click on all of the following planets that have at least 1 moon.

a)

Venus

b)

Earth

c)

Mars

d)

Mercury

7.

Other objects orbit the Sun besides the planets.

a)

True

b)

False

8.

About how far away is the Earth from the Sun?

a)

62 million miles

b)

89 million miles

c)

93 million miles

d)

142 million miles

9.

What is the main gas that makes up the Sun?

a)

Hydrogen

b)

Helium

c)

Oxygen

d)

Nitrogen

10.

How many planets are in our Solar System?

a)

18

b)

9

c)

7

d)

8

11.
What are the rings of Saturn made of?
a)
Rocks and Dust
b)
Rock, Frozen gases, Ice crystals, and water
c)
Ice Crystals
d)
Stars
12.

Which planet spins fully on its side?

a)

Earth

b)

Neptune

c)

Jupiter

d)

Uranus

13.
A small, solid, rocky body that orbits the Sun. 
a)
Asteroid
b)
Comet
c)
Meteoroid
d)
Meteor
14.
This picture shows the path Earth takes as it moves around the sun. What is the path called?
a)
a constellation
b)
a moon
c)
an orbit
d)
a planet
15.
Compared to Earth, does Saturn take a longer or shorter amount of time to orbit the sun?
a)
longer
b)
shorter
16.

What are the Inner planets?


Select ALL that apply.

a)

Mars

b)

Venus

c)

Mercury

d)

Earth

e)

Saturn

17.

The inner planets are the ______ planets to the sun.

a)

biggest

b)

closest

c)

farthest

d)

coldest

18.

What planet is the same size as earth?

a)

Pluto

b)

Mars

c)

Saturn

d)

Venus

19.

What planet is known as the red planet because of its red looking surface?

a)

Earth

b)

Saturn

c)

Uranus

d)

Mars

20.

What are the outer planets made of?

a)

Helium

b)

Ice

c)

Rock

d)

Gases

21.

What planet has a Great Dark Spot similar to the spot on Jupiter and also has 8 moons?

a)

Neptune

b)

Earth

c)

Mars

d)

Uranus

22.

What keeps the planets in orbit around the sun?

a)

gravity

b)

friction

c)

density

d)

distance

23.

Which statement about gravity is true?

a)

gravity causes objects to pull towards one another

b)

gravity causes objects to push away from each other

c)

gravity only takes place between planets

d)

the moon doesn't have any gravity

24.
Which of the following is an accurate model of how the Sun, Earth, and Moon move?
a)
Sun and moon orbit Earth
b)
Earth and moon orbit Sun
c)
Earth orbit's the Sun and the moon orbits Earth
d)
Earth and sun orbit moon
25.

It takes the Earth 365.25 days to make one what?

a)

rotation

b)

revolution

c)

resolution

d)

circle