The Sun
The Moon
The Earth
100

The sun is made of this.

What is gases?

100

The moon is made of this.

What is rock?

100

Explain how day and night happens.

As the earth rotates toward the sun, it becomes daytime. As it moves away, it becomes night.
200

The sun is a _____.

What is a star?

200
Holes on the moon created by space rocks are called this. 

What are craters?

200

How many hours does it take for the earth to make one complete rotation?

What is 24 hours?
300

When the moon blocks out the sun, we call this _____.

What is a solar exclipse?

300

The moon takes about this long to orbit the earth.

What is about one month?

300

How long does it take the earth to make one orbit around the sun?

It takes 365 days or 1 year.

400

Our solar system has this number of suns. 

What is one?

400

The moon's gravitational pull causes our water to have these.

What are tides?

400

What causes areas of our planet to have seasons?

As the earth orbits closer to the sun it gets warmer, as it moves away, we have cooler seasons.

500

What is one way the sun can harm us?

What is a sun burn? 

500

This makes the moon appear to glow at night.

What is the sun?

500

Explain the difference between rotation and orbit.

Rotation means to spin, orbit means to go around something.