Earth Wonders 3

The _____________ is very warm on the beach during summer.

• thermometer

• temperature

• support

• neighborhood

How does Earth _________ life when other planets do not? Earth has everything creatures need to live. It has water and air we can breathe.

Earth has __________ too. Gases covering the planet hold in heat from the sun. That keeps our planet warm.

• support

• temperature

• warmth

• asteroids

Jupiter, Saturn, Uranus, and Neptune are called gas ___________.

Earth shares its ___________ in space with many other planets. Earth is part of the solar system.

• neighborhood

• support

• asteroid

• warmth

To travel 150 million kilometers on Earth, you would have to circle the ______________3,733 times!

The ____________ belt and Kuiper belt are groups of rocky and icy objects.

• support

• neighborhood

• gas

• asteroid

Each planet follows its own ______ around the sun.

Each planet spins around like a top. It rotates around its ___________.

• orbit

• axis

• path

• oval

An __________ is an imaginary line that runs through the center of the planet from top to bottom.