Unit 6 Review: Solar System

Which object in the chart best describes a comet?

• Object A

• Object B

• Object C

• Object D

Fill in the blank: A celestial body made of rock or gas that orbits a star is called a(n) ________.

• Comet

• Asteroid

• Planet

Which object in the chart is a celestial body made of rock or gas that orbits a star?

• Object A

• Object B

• Object C

• Object D

Tags

NGSS.MS-ESS1-2

Fill in the blank: A rocky object mostly located in a belt between Mars and Jupiter is called a(n) ________.

• Comet

• Asteroid

• Meteor

Fill in the blank: A bright streak of light caused by a small object burning in Earth's atmosphere is called a(n) ________.

• Meteor

• Comet

• Asteroid

Which planet is most likely to be the coldest? Why? (complete sentences)

Which of the following is a characteristic of a habitable planet?

• High surface temperature

• Liquid water

• No atmosphere

• Low gravity

Tags

NGSS.MS-ESS2-4

What is the diameter of Earth?

• 12,742 km

• 12,104 km

• 13,000 km

• 11,000 km

Tags

NGSS.MS-ESS1-3

Fill in the blank: Venus rotates in a _______ direction.

• Counterclockwise

• Clockwise

• Random

• None

Number 2 in the diagram represents which planet?

• Mercury

• Venus

• Earth

• Mars