Planet Formation Quiz

Planets are first "born" from what two items?

• Clouds of gas and asteroids

• Gas and Starts

• Dust and solar radiation

• Clouds of gas and dust

Which letter shows the first step in how a planet forms?

• A

• D

• F

• C

Tags

NGSS.HS-ESS1-6

Which force caused various elements to separate to where the heavier elements formed the center of the planets and the lighter elements stayed near the surface.

• Friction

• Gravity

• Heat

• Air

Tags

NGSS.MS-PS2-4

Earth was formed how many years ago?

• About 4.5 Billion

• About 8.2 Billion

• About 4.5 Million

• About 4.5 Trillion

Tags

NGSS.HS-ESS1-6

The star in which all of our planets orbit is called what?

• The Milky Way

• The big star

• The sun

• The moon

The sun is mostly made up of which two gases?

• Helium and Hafnium

• Hydrogen and Oxygen

• Helium and Holmium

• Hydrogen and Helium

Tags

NGSS.MS-PS1-1

The two different types of planets in our Solar System are classified as what?

• Rocky and Dusty

• Rocky and Gassy

• Gassy and Liquidy

• Rocky and Metally

What caused the lighter elements to leave the terrestrial planets and eventually form the gas giants?

• Gravity from the sun

• The Stellar Winds (heat and wind)

• Nothing, the lighter elements stayed put

• The heavier elements formed the gas giants

Where would you expect to find a planet that is small, dense, and rocky?

• Outside the sun's gravitational pull

• Close to the gas planets

• Far from the sun

• Close to the sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

The terrestrial (rocky) planets are made up of which two items?

• Rocks and Gases

• Rocks and Metals

• Rocks and Ice

• Metals and Magma