6.2 a, b d The Sun, and Inner Planets

The inner planets are also called...

• terrestrial planets
• gas giants

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

In many ways, which planet is more like Earth than any other planet?

• Mercury
• Mars
• Venus

If a planet appears to spin in a clockwise direction when it is viewed from above the North Pole, it is said to have ____.

• prograde rotation
• retrograde rotation

The air on Venus is mostly ____.

• carbon dioxide
• oxygen
• sulfur

Liquid _____ is a vital part of the chemical processes that living things depend on for survival on Earth.

• water
• oxygen
• mercury

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Because of its ____ atmosphere and greater distance from the sun, Mars is a cold planet.

• thicker
• thinner
• medium

Impact craters are caused by

• solar bursts.
• atmospheric changes.
• exploding volcanoes.
• collisions with objects in space.

Tags

NGSS.MS-ESS2-2

The right combination of temperature, water, and oxygen

• affects Neptune’s orbit.
• supports life on Earth.
• causes gas giants to form.
• results in storms on Jupiter.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3