Earth Test

What is one main idea of Earth?

• We can study Earth in our backyard

• Gases cover the planet

• The solar system consists of the sun, asteroids, dwarf planets and main planets like Earth

• Dwarf planets are important, too!

Which sentence from the story supports the main idea of Earth?

• As far as we know, there aren't people on other planets.

• Earth shares its neighborhood with other planets

• Earth is 8,000 miles wide

• Earth is the third planet from the sun

Which is an EFFECT of the fact that Earth's axis is tilted?

• It leans to one side to spin

• There's no air to breathe

• Nothing happens

Which is a CAUSE, or tells why, the moon gets very hot and cold.

• There's no air to breathe

• The earth is tilted

• Nothing holds the sun's warmth

Which is an EFFECT of the moon having no atmosphere?

• There's no air to breathe

• The earth's axis is tilted

• The moon gets hot and cold

Rotate means __________________________.

• oval shaped

• lean to one side

• to follow a path

• to spin around

Which sentence explains the meaning of elliptical?

• they are oval-shaped paths

• the path is called an orbit

• they spin like a top

• one trip around the sun takes one year

Why does the moon seem to change shape at night?

• it depends on the time of day

• the distance between the earth and moon changes

• as the moon travels around Earth, the sun hits it from different directions

• it depends on the weather

What is the author's purpose, or the reason, for writing this story about Earth?

• to entertain

• to persuade

• to inform

• no reason