Introducing the Solar System

24 hours is the time it takes a planet to rotate on its

• equator

• axis

• poles

• star

Scientists think the solar system was created

• 4.6 thousand years ago

• 4.6 hundred thousand years ago

• 4.6 billion years ago

• 4.6 million years ago

Tags

NGSS.HS-ESS1-6

The sun is a

• asteroid

• planet

• planetesimal

• star

Planetesimals collided, stuck together, and eventually combined to form all the other objects in the....

• Galaxy

• Universe

• Solar system

• Zodiac

Tags

NGSS.MS-ESS1-2

Scientists use what to measure distance in the solar system?

• (AU) astronomical units

• Feet

• Miles

• A ruler

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NGSS.MS-ESS1-3

The Sun is what percent of mass in the entire solar system?

• 1%

• 10%

• 99.85%

• 25%

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NGSS.MS-ESS1-3

NGSS.MS-PS2-4

Which two planets do not have natural satellite(s)?

• Mercury, Venus

• Earth, Jupiter

• Saturn, Neptune

• Uranus, Mars

Tags

NGSS.MS-ESS1-2

What is a natural satellite?

• GPS

• Satellite TV

• Moon

• Rocket ship

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NGSS.MS-ESS1-1

Which planet is this?

• Jupiter

• Earth

• Neptune

• Saturn

Tags

NGSS.MS-ESS1-3

Which planet was formerly the 9th planet? Furthest away from the Sun.

• Pluto

• Neptune

• Earth

• Mercury