Solar System Formation

Front

A nebula is:

Back

A cloud of dust and gas

Front

The most abundant gases in a nebula are: Hydrogen & Oxygen, Nitrogen & Oxygen, Hydrogen & Helium, Oxygen & Helium

Back

Hydrogen & Helium

Front

A nebula starts to collapse because of:

Back

Gravity

Front

What forms in the very center of the accretion disk? (the flattened spinning nebula)

Back

A protosun

Front

What caused the lighter elements to leave the terrestrial planets? Gravity from the Gas Giants, Nothing, the lighter elements stayed, Gravity from the Sun, Heat and solar wind from the Sun

Back

Heat and solar wind from the Sun

Front

What percentage of the nebula will the Sun accumulate?

Back

99%

Front

Smaller particles collecting together into larger and larger objects is called . . .

Back

accretion

Front

Where in our solar system would you expect to find a planet that is mostly made of gas? Options: very close to the sun, outside of the sun's gravitational pull, very far from the sun, very close to other planets

Back

very far from the sun

Front

Where would you expect to find a planet that is small, dense, and rocky? Options: close to the sun, outside of the sun's gravitational pull, far away from the sun, close to the gas planets

Back

close to the sun