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 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

Which planet has a moon that is larger than the planet Mercury? Options: Jupiter, Saturn, Uranus, Neptune

Back

Saturn