The Solar System

Front

The outer planets are called the terrestrial planets.

Back

False

Front

An astronomical unit is the average distance from Earth to:

Back

the Sun.

Front

Which outer planet has a sideways axis of rotation? Options: Jupiter, Saturn, Uranus, Neptune

Back

Uranus

Front

Which outer planet is about the same size, makeup, and structure as Uranus? Options: Jupiter, Saturn, Neptune

Back

Neptune

Front

Earth, Mars, Mercury, and Venus are the

Back

terrestrial planets.

Front

The greenhouse effect occurs when a planet's atmosphere traps solar energy and causes the surface temperature to increase.

Back

True

Front

All of the outer planets are mostly made of

Back

gas and liquid around a solid rock core.

Front

Which planet is the solar system's largest?

Back

Jupiter

Front

The outer planets have atmospheres composed mostly of

Back

hydrogen and helium.

Front

All of the inner planets

Back

are rocky and have a solid outer layer.