Solar Systems Origins Review

What is the term for the cloud of dust and gas that the solar system was made out of?

• Accretion

• Planetesimal

• Nebula

• Protostar

What primary force caused the dust and rock particles to stick together in order to form planetesimals?

• Strong force

• Weak force

• Gravity

• Electromagnetic force

Tags

NGSS.HS-PS2-4

What is it called when dust, gas, and rock particles accumulate together into massive objects like planetesimals?

• Accretion

• Contraction

• Condensing

• Heating

What term describes when 99% of the dust and gas from the nebula form a ball of gas so hot that nuclear fusion occurs?

• Nebula

• Sun turns on

• Disk

• Condensing

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What term describes when gas giant planets throw leftover rocks and ice debris throughout the solar system to form the asteroid and Kuiper belts?

• Condensing

• Heating

• Rocky planets form

• Flinging

What term describes when gas and ice accumulate into giant planetesimals beyond the snow line?

• Gas giants form

• Rocky planets form

• Flinging

• Condensing

What term describes a cloud of dust and gas many light-years across?

• Accreting

• Condensing

• Contracting

• Nebula

What term describes when rocks and metals accumulate into terrestrial planetesimals inside the snow line?

• Disk

• Accreting

• Rocky planets form

• Gas giants form

What term describes when large gas, dust, and rock particles stick together due to gravity to form planetesimals?

• Nebula

• Accreting

• Heating

• Condensing

True or False: The solar system began with a nebula cloud.

• True

• False