Earth Science Chapter 1

This is the only planet known to have life

• Venus

• Mars

• Neptune

• Earth

A __________ is a ball of hot, glowing gases

• star

• planet

• comet

• constellation

_________ is the smallest of the planets, and is closest to the sun.

• Earth

• Saturn

• Uranus

• Mercury

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NGSS.MS-ESS1-3

A __________ is a group of stars that make a pattern.

• asteroid belt

• sun

• constellation

• solar eclipse

Which planet is also known as the "Red Planet"?

• Jupiter

• Mercury

• Mars

• Venus

It takes _________ for the Earth to revolve around the sun.

• five years

• six months

• twenty-four hours

• one year

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NGSS.MS-ESS1-1

How often can a full moon be seen?

• every 6 months

• every year

• every week

• every month

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NGSS.MS-ESS1-1

_________ is about the same size as Earth, but rotates the opposite way.

• Venus

• Earth

• Neptune

• Mars

You can observe stars and other objects in the sky using an instrument known as a ___________.

• microscope

• optoscope

• telescope

• thermometer

Which of the following is NOT an inner planet?

• Mercury

• Earth

• Saturn

• Mars