Space and Science Quiz for Grade 5

What is a planet?

• A giant ball of hot gas in space that produces its own light.

• A natural object in space that orbits a planet.

• A small rocky object that orbits the Sun.

• A large, round object in space that moves around a star and does not make its own light.

What is an orbit?

• The movement of one object around another object in space.

• A group of stars that forms a pattern in the night sky.

• The path an object follows as it moves around another object in space.

• The spinning of an object on its axis.

What does the Solar System include?

• Only the Sun and the moons.

• Only the Sun and the planets.

• The Sun, planets, moons, asteroids, and comets.

• The Sun and the Milky Way galaxy.

Which planets are considered inner planets?

• Jupiter, Saturn, Uranus, and Neptune.

• Venus, Earth, Neptune, and Uranus.

• Mercury, Venus, Earth, and Mars.

• Earth, Mars, Jupiter, and Saturn.

What are the outer planets mostly made of?

• Rock and metal.

• Ice and dust.

• Gases.

• Solid surfaces.

What is a gas giant?

• A natural object in space that orbits a planet.

• A very large planet made mostly of gases instead of solid rock.

• A small rocky object that orbits the Sun.

• A planet with a solid surface made mostly of rock and metal.

What is a rocky planet?

• A planet with a solid surface made mostly of rock and metal.

• A planet made mostly of gases.

• A natural object in space that orbits a planet.

• A small rocky object that orbits the Sun.

What is a moon?

• A streak of light in the sky caused by a burning space rock.

• A space object made of ice, dust, and rock.

• A small rocky object that orbits the Sun.

• A natural object in space that orbits a planet.

Where are most asteroids found?

• In the asteroid belt between Mars and Jupiter.

• In the Sun's core.

• In the Milky Way galaxy.

• In the outer planets' orbits.

What is a comet made of?

• Hot gas.

• Ice, dust, and rock.

• Solid rock.

• Rock and metal.