Inner Planets

Which planet is closest to the sun?

• Earth
• Venus
• Mercury
• Mars

The motion of a body orbiting another body in space is called _____.

• revolution 
• period of revolution
• rotation
• period of rotation

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which list places the inner planets in order from largest in size to smallest in size?

• Venus, Earth, Mercury, Mars
• Mercury, Mars, Venus, Earth
• Earth, Venus, Mars, Mercury
• Venus, Mars, Earth, Mercury

Tags

NGSS.MS-ESS1-3

Which two inner planets are known as "sister planets?"

• Venus and Mars
• Mars and Earth
• Venus and Earth

The air on Venus is mostly ____.

• carbon dioxide
• oxygen
• sulfur

Which planet is do we think once had liquid water on it?

• Mercury
• Venus
• Mars
• Saturn

What are the inner planets composed of?

• gases and ice
• rock and ice
• gases and rock
• rock

Which of the following planets experiences a runaway greenhouse effect?

• Venus
• Earth 
• Mars
• Mercury

Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun.

• Mars
• Venus
• Mercury
• Earth

Tags

NGSS.MS-ESS1-2

which planet rotates in the opposite direction?

• neptune

• saturn

• venus

• moon