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solar system 2

Total questions: 26

Worksheet time: 32mins

Name
Class
Date
1.
Which planet in our solar system is closest to the Sun?
a)
Earth
b)
Jupiter
c)
Mercury
d)
Saturn
2.
What planet is eighth in the Solar System?
a)
Uranus
b)
Jupiter
c)
Neptune
d)
Mars
3.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
4.
A ball of ice and dust with a tail of gas and dust pointing away from the sun.
a)
Asteroid
b)
Comet
c)
Moon
d)
Meteor
5.
Which is the second closest planet to the sun?
a)
Earth
b)
Saturn
c)
Venus
d)
Mercury
6.
Which planet is third from the sun?
a)
Mars
b)
Pluto
c)
Venus
d)
Earth
7.

What is the largest planet in

our solar system?

a)

Neptune

b)

Jupiter

c)

Uranus

d)

Mars

8.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
9.
Which planet is the hottest planet?
a)
Mercury
b)
Mars
c)
Venus
d)
Saturn
10.

How long ago was our solar system formed?

a)

10 million years ago

b)

4.6 million years ago

c)

4.6 billion years ago

d)

2 billion years ago

11.

a small rocky body orbiting the sun, ranging from the size of a small house to dust particles

a)

nebula

b)

terrestrial planets

c)

collision

d)

asteroids

12.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
13.
What is in the center of the Heliocentric Model?
a)
Sun
b)
Comet 
c)
Jupiter
d)
Earth
14.
An _______ is between the orbits of Mars and Jupiter. 
a)
Oort Cloud
b)
Asteroid belt
c)
Kuiper belt
d)
Photosphere
15.
An _______ is between the orbits of Mars and Jupiter. 
a)
Oort Cloud
b)
Asteroid belt
c)
Kuiper belt
d)
Photosphere
16.
Venus, Mercury, Earth, and Mars are what type of planet?
a)
Gas Giants
b)
Ice Giants
c)
Terrestrial Planets
d)
Exterior Planets
17.

How many known planets are in our solar system?

a)

4

b)

7

c)

8

d)

9

18.

1. Which planet is sometimes called the Red Planet?

a)

Jupiter

b)

Saturn

c)

Mars

d)

Venus

19.

9. Which planet looks blue because of the methane gas?

a)

Mars

b)

Venus

c)

Uranus

d)

Neptune

20.

13. Which planet is made of hydrogen, helium, and methane?

a)

Uranus

b)

Saturn

c)

Neptune

d)

Mars

21.

14. Which planet has 67 moons and is cold and poisonous to life?

a)

Mars

b)

Neptune

c)

Jupiter

d)

Uranus

22.

Saturn is the only planet with rings.

a)

True

b)

False

23.
How many moons does Mars have?
a)
0
b)
1
c)
2
d)
67
24.

6. Which planet has 27 moons and 11 rings?

a)

Uranus

b)

Neptune

c)

Saturn

d)

Jupiter

25.
What are comets mostly made of?
a)
Rusty metal
b)
Hot, liquid rock
c)
Poisonous liquid
d)
Dirty ice and dust
26.
What is the sun mainly made from?
a)
Liquid lava
b)
Rock
c)
Molton iron
d)
Hydrogen + helium gas