The Solar System

The moon revolves around the Earth every 29 days.

Earth is an outer planet.

The reason why the sun appears to move slowly across the sky is:

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

Which has no real surface?

What is the third planet from the sun?

Gravity is what pulls object to the center of the earth.

The moon is a natural satellite.

The moon is a natural satellite that orbits the earth.

A line, real or imaginary around which something spins on is called:

One earth year is equal to:

Craters are not found on earth.

The four inner planets are large balls of gas.

What keeps the planets in our solar system revolving around the sun?

What is the source of heat and light in our solar system?

What planet has liquid water?

The tilt of the earth's axis causes the seasons.

Which rotate on an axis?

How many planets are in our solar system?

What causes a shadow?

The path one object takes as it revolves around another object in space is called :

How long is the day and night cycle of earth?

If the sun is setting, how long will it take for the sun to rise again?

What do the earth and the moon have in common?

Does the earth revolve or rotate around the sun?

What does the asteroid belt in our solar system lie between?

An instrument that measures the time of day by using the position of the sun is called:

List the inner planets : 

What is the sun composed of?

The sun, earth, and moon all rotate on an axis.

What causes the tides to change from high to low?

How long does it take the moon to orbit around the earth?