The imaginary line that Earth spins on is called ___________.

Which is larger: Earth or Sun?

Which is smaller: Earth or Moon?

What is the path that an object takes around another in space?

While Earth revolves around the sun, while the moon revolves around the _____________.

Earth spins around ___________ miles per hour.

The tilt of Earth's axis and the orbit cause the ___________.

The rise and fall in the water level of the ocean is called the _________.

What is a pattern of stars called?