Astronomy Unit 3: The Solar System Practice

Which planets are relatively small, and primarily made out of silicate minerals?

• gas giants
• ice giants
• terrestrial planets
• dwarf planets

These planets are mostly made out of hydrogen and helium.

• gas giant
• ice giant
• dwarf planets
• terrestrial planets

Tags

NGSS.MS-PS1-1

The most massive gas giant planet.

• Jupiter

• Saturn

• Uranus

• Neptune

Choose the best answer. Which planet(s) have rings?

• Saturn

• All of the terrestrial planets

• All of the gas giant planets

• Mars and Saturn

Which of the following is NOT a requirement for something to be considered a dwarf planet?

• The object must directly orbit around a star.
• The object has not cleared the neighborhood of other material around its orbit.
• The object is a sphere.
• The object cannot orbit around a planet.

Are plutoids minor planets?

• Some are, but most are not.

• Most are, but some are not.

• Yes

• No

Are comets minor planets?

• Yes

• No

• Some are, most are not

• Most are, some are not

Eris is a dwarf planet. Is it a planet?

• Yes

• No

The Moon is a(n) _________.

• dwarf planet

• natural satellite

• terrestrial planet

• asteroid

Which of the following is true of all asteroids in the Solar System?

• They are all found after Neptune.

• They are found in a belt between Mars and Jupiter.

• They are larger than Mercury.

• They orbit around the Sun.