Our Solar System

Mercury, Venus, Earth, and Mars are known as ...

• ice dwarfs

• terrestrial planets

• gas giants

• icy giants

Tags

NGSS.MS-ESS1-3

Stars, such as our sun, are made mostly of .... (choose all that apply)

• oxygen

• hydrogen

• iron

• helium

Tags

NGSS.MS-PS1-1

A Star's energy is produced by the process of ......

• Tidal gravitation

• electromagnetism

• nuclear fusion

• plate tectonics

Tags

NGSS.HS-ESS1-1

A celestial body needs enough mass and _________ to produce nuclear fusion to become a star.

• pressure

• carbon

• oxygen

• velocity

Tags

NGSS.HS-ESS1-1

There may be enough heat and pressure in a celestial body's ______, for it to begin nuclear fusion and become a star

• core

• mantle

• corona

• photosphere

Tags

NGSS.HS-ESS1-1

This is the closest plant to the sun.

• Uranus

• Venus

• Earth

• Mercury

Which planet has the Longest orbital period (year)?

• Neptune

• Mercury

• Earth

• Jupiter

Tags

NGSS.MS-ESS1-2

Which terrestrial planet has the thickest atmosphere (highest air pressure)?

• Mars

• Mercury

• Earth

• Venus

Venus' day time temperature is close to its night time temperature? What causes this?

• Venus' lack of magnetic field

• lack of greenhouse effect

• extremely high greenhouse effect

• Venus' extremely high gravity

Tags

NGSS.HS-ESS3-5

It takes _____ for our moon to revolve around the Earth.

• 28 days

• 7 days

• 365 days

• 10 light years

Tags

NGSS.MS-ESS1-1