Copy of 4.5 Planets Warm Up

There are _____ planets in our solar system.

• 8
• 10

Which planet is a gas giant?

• Earth
• Mars
• Saturn
• Venus

What do Mercury, Venus, Earth, and Mars all have in common?

• They are considered gas giants.
• They are considered terrestrial planets.
• They are about the same size.
• They are all very cold planets.

A student was making a model of the solar system. What order should she put the planets?

• 
• 
• 
• 

What is the smallest planet in our solar system?

• Venus
• Saturn
• Mars
• Mercury

What is the correct order of the planets from largest to smallest?

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

How is the Earth different from all of the other planets?

• It has a breathable atmosphere and has water.
• It has a rocky surface
• It is warmed by the sun.
• It rotates on its axis.

The sun is a -

• planet
• moon
• star
• asteroid

Earth is the ______ planet from the sun.

• 5th
• 3rd