The Universe-Section 1 Review

Which planet is closest to the sun?

• Earth

• Venus

• Mercury

• Mars

The motion of a body orbiting another body in space is called _____.

• revolution 

• period of revolution

• rotation

• period of rotation

Very few moons

• Inner planets

• Outer planets

• Both

• Mercury

Mercury, Venus, Earth, & Mars

• Inner planets

• Outer planets

• Both

• Pluto

Jupiter, Saturn, Uranus, & Neptune

• Inner planets

• Outer planets

• Both

• Earth

Close to the sun

• Inner planets

• Outer planets

• Both

• Kuiper Belt

Lots of rings

• Inner planets

• Outer planets

• Both

• Mars

Shorter revolutions

• Inner planets

• Outer planets

• Both

• Neptune

Located between the inner and outer planets.

• Sun

• Asteroid belt

• Uranus

• Moons

Small diameter

• Inner planets

• Outer planets

• Both

• Jupiter