The Solar System

What are the Inner planets?

Select ALL that apply.

• Mars

• Venus

• Mercury

• Earth

• Saturn

The inner planets are _______ than the outer planets.

• colder

• bigger

• warmer

• smarter

All of the inner planets are made of _________ material.

• liquid

• icey

• rocky

• gassy

What planet is closest to the sun?

• Mercury

• Venus

• Earth

• Neptune

What planet is known as the red planet because of its red looking surface?

• Earth

• Saturn

• Uranus

• Mars

A force of attraction between any two objects is called _____________.

• static electricity 
• rotation
• gravity
• orbit

The __________ has planets, moons, comets, and asteroids.

• solar system
• earth
• rotation
• United States

Select the order from smallest to largest.

• Sun, Milky Way, solar system, universe
• Sun, Milky Way, universe, solar system
• Sun, solar system, Milky Way, universe
• Sun, solar system, universe, Milky Way

One of the main differences between the outer and inner planets is __________.

• The inner planets all have water
• the inner planets are much bigger than the outer planets
• the outer planets are gas planets
• the inner planets have rings, and the outer planets don't

What is the correct order of the inner planets?

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