!!PLANETS STUDY GUIDE!!

Which of the following is true?

• Earth is the center of the solar system
• The sun orbits the earth
• Gravity exists only on Earth
• The sun is the center of the solar system

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the sun?

• Black Hole

• Light Bulb

• Star

• Supernova

Tags

NGSS.MS-ESS1-1

How long is Earth's rotation?

• one day
• one year
• one decade
• one hour

Why do planets orbit the sun (and not float around in space)?

• the moons are keeping them in place
• They were hit by an asteroid
• they were hit by a comet
• the sun's gravity keeps them in place

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

An object that revolves around another object in space (natural or manmade)

• mirror

• microscope

• oscilloscope

• satellite

Tags

NGSS.MS-ESS1-2

How many planets are there?

• 6
• 7
• 8
• 9

Tags

NGSS.MS-ESS1-3

The Sun, eight planets, and thousands of stars make up the 

• outer planets
• inner planets
• solar system
• light years

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Which is the correct order of the inner planets?

• Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars
• Mercury, Earth, Mars, Venus
• Jupiter, Mars, Uranus, Neptune

It takes Earth _____________ to make one revolution or orbit around the Sun.

• 365 days
• 365 hours
• 28 days
• 24 hours

Tags

NGSS.MS-ESS1-1

A Group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

• Universe

• Galaxy

• Solar System

• Planet

Tags

NGSS.MS-ESS1-2