Solar System Practice for Test

Front

What causes a nebula to start collapsing?

Back

Gravity

Front

What are the outer planets of the solar system known as?

Back

The Gas Giants

Front

What are the most abundant gases found in a nebula?

Back

Hydrogen and Helium

Front

What materials could not survive the heat during the formation of rocky planets?

Back

Ice and Gas

Front

What are Io, Europa, Callisto, and Ganymede?

Back

Moons of Jupiter

Front

What is a nebula?

Back

A large cloud of gas and dust in space, often the birthplace of stars.

Front

What are the inner planets of the solar system?

Back

Mercury, Venus, Earth, and Mars.

Front

What is the main difference between terrestrial and gas giant planets?

Back

Terrestrial planets are rocky, while gas giants are composed mostly of gases.

Front

What role does gravity play in the formation of stars?

Back

Gravity pulls together gas and dust in a nebula to form stars.

Front

What is the significance of the Kuiper Belt?

Back

It is a region of the solar system beyond Neptune that contains many small icy bodies.