CT Unit 3 Assessment Review

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis as it orbits the Sun.

Front

The 4 gas/ice giants take _____________ to orbit the sun than the 4 terrestrial planets.

Back

longer

Front

What is the term for the point in a planet's orbit when it is farthest from the sun?

Back

Aphelion

Front

What is the first step in the formation of our solar system from a nebula?

Back

Collapse of a gas cloud.

Front

What does Kepler’s 1st Law state about planetary orbits?

Back

Orbits are elliptical.

Front

What is the term for the point in a planet's orbit when it is closest to the sun?

Back

Perihelion.

Front

What is the main component of the solar system?

Back

The Sun.

Front

What is the difference between terrestrial and gas/ice planets?

Back

Terrestrial planets are rocky, while gas/ice giants are composed mainly of gases and ices.

Front

What is the significance of the equinox?

Back

It is the time when day and night are of equal length.

Front

What is the role of gravity in the formation of the solar system?

Back

Gravity causes the collapse of gas clouds and the formation of celestial bodies.