Solar System Quiz

What is the Solar System?

• A group of stars

• A collection of planets and their moons in orbit around the sun

• A type of galaxy

• A constellation

name of the galaxy that our Solar System is in.

• Andromeda Galaxy

• Milky Way Galaxy

• Triangulum Galaxy

• Whirlpool Galaxy

The four large planets farthest from the Sun are called:

• Terrestrial planets

• Gas giants

• Dwarf planets

• Asteroids

Underline the names of the four planets that are closest to the Sun.

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Earth, Mars, Jupiter, Saturn

• Venus, Earth, Mars, Jupiter

Pluto and Eris are called:

• Planets

• Dwarf planets

• Asteroids

• Comets

The four planets closest to the Sun are mostly rock and the four planets farthest from the Sun are mostly gas because:

• The Sun's heat caused lighter gases to evaporate from the inner planets.

• The outer planets formed in a cooler region of the solar system.

• The inner planets are smaller and have less gravity to hold onto gases.

• All of the above.

Apart from the Sun, what are the names of the eight largest members of our Solar System?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Pluto

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Ceres

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Eris

Pluto is no longer called a major planet because:

• It is too far from the Sun.

• It does not clear its orbit of other debris.

• It is too small.

• It has no atmosphere.

Which planet has the most moons?

• Mercury

• Venus

• Earth

• Jupiter

Which planet is closest to the Sun?

• Mercury

• Venus

• Earth

• Mars