Jupiter, Saturn, and Uranus all have rings made of ice, dust, rocks and other debris.

• True

• False

The inner planets are made of

• Iron and nickel metal in the mantle and core

• An igneous rock mantle with an iron core

• A metal core with a metamorphic and igneous rock mantle

• A metamorphic rock mantle and an igneous rock core

Venus is an outer planet.

• True

• False

Compared to the outer planets, the inner planets have

• Few or no satellites

• Slower orbits

• Slower spin

• All of these

Outer planets are considered gas giants.

• True

• False

Saturn is unique in the solar system because it is the only planet with rings.

• True

• False

Earth is one of the outer planets of the Solar System.

• True

• False

Which of the following is not a property of the outer planets?

• They all have rings

• They are all farther away from Sun than the Earth

• They all have solid surfaces for spacecraft to land on

• They are composed mostly of hydrogen and helium

Which of the following is considered a gas giant?

• Pluto

• Saturn

• Earth

• Mercury

Gas giants are primarily made up of ________.

• Hydrogen and helium

• Carbon dioxide and methane

• Oxygen and carbon dioxide

• Helium and lithium