Inner Planets

Which planet is closest to the sun?

• Earth

• Venus

• Mercury

• Mars

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 is the second closest planet to the sun?

• Earth
• Saturn
• Venus
• Mercury

There are how many inner planets?

• 3

• 4

• 5

• 6

This planet is often called the "Red" planet.

• Mercury

• Venus

• Earth

• Mars

True or False.

The inner planets are large in size.

• false

• true

Tags

NGSS.MS-ESS1-3

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

The inner planets are:

• Mars, Jupiter, Saturn, Mercury

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Earth, Mars, Jupiter, Saturn

Which terms describe the composition of the inner planets?

• rocky

• gaseous

• water

• solid

Tags

NGSS.MS-PS1-1