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Inner Planets

Total questions: 24

Worksheet time: 39mins

Name
Class
Date
1.
Which planet is closest to the sun?
a)
Earth
b)
Venus
c)
Mercury
d)
Mars
2.
The motion of a body orbiting another body in space is called _____.
a)
revolution 
b)
period of revolution
c)
rotation
d)
period of rotation
3.
Which list places the inner planets in order from largest in size to smallest in size?
a)
Venus, Earth, Mercury, Mars
b)
Mercury, Mars, Venus, Earth
c)
Earth, Venus, Mars, Mercury
d)
Venus, Mars, Earth, Mercury
4.
Which two inner planets are known as "sister planets?"
a)
Venus and Mars
b)
Mars and Earth
c)
Venus and Earth
5.
____________ is the closest planet to the sun; and has a hot heavily cratered surface.
a)
Mercury
b)
Venus
c)
Earth 
d)
Mars
6.
The air on Venus is mostly ____.
a)
carbon dioxide
b)
oxygen
c)
sulfur
7.
Which planet is do we think once had liquid water on it?
a)
Mercury
b)
Venus
c)
Mars
d)
Saturn
8.
What are the inner planets composed of?
a)
gases and ice
b)
rock and ice
c)
gases and rock
d)
rock
9.
Which is the second closest planet to the sun?
a)
Earth
b)
Saturn
c)
Venus
d)
Mercury
10.
This planet is known as the red planet
a)
Neptune
b)
Mars
c)
Mercury
d)
Uranus
11.
_____ is a planet with massive volcanoes and canyons; and seasons similar to Earth.
a)
Mercury
b)
Venus
c)
Mars
d)
Jupiter
12.
Which of the following planets experiences a runaway greenhouse effect?
a)
Venus
b)
Earth 
c)
Mars
d)
Mercury
13.
Impact craters are caused by n>
a)
solar bursts
b)
atmospheric changes
c)
exploding volcanoes
d)
collisions with objects in space
14.
What compound is responsible for the color of the soil on Mars?
a)
iron oxide
b)
carbon dioxide
c)
methane gas
d)
nitrogen oxide
15.
Orbit the sun
a)
Inner planets
b)
Outer planets
c)
Both
16.
Small diameter
a)
Inner planets
b)
Outer planets
c)
Both
d)
Jupiter
17.
Shorter revolutions
a)
Inner planets
b)
Outer planets
c)
Both
d)
Neptune
18.
Very few moons
a)
Inner planets
b)
Outer planets
c)
Both
d)
Mercury
19.
Lots of rings
a)
Inner planets
b)
Outer planets
c)
Both
d)
Mars
20.
Solid, rocky surface
a)
Inner planets
b)
Outer planets
c)
Both
d)
Saturn
21.
Solar system's hottest planet
a)
Mercury
b)
Venus
c)
Earth
d)
Neptune
22.
Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun.
a)
Mars
b)
Venus
c)
Mercury
d)
Earth
23.
True about Venus: 
1. Much larger than Earth
2. Very thick atmosphere
3. 2 moons
4. Atmosphere made of carbon dioxide
a)
1 & 2
b)
2 & 4
c)
2 & 3
d)
3 & 4
24.
The planet _____ has the largest volcano in the solar system called Olympus Mons. 
a)
Earth
b)
Mars
c)
Venus
d)
Jupiter