When one side of Earth is having daytime, the other side is having nighttime.

• rotation

• revolution

The Earth orbits around the Sun.

• rotation

• revolution

The seasons change as the Earth orbits around the Sun.

• rotation

• revolution

Sunrise and sunset occur because of __________.

• rotation

• revolution

The Earth spins on its axis.

• rotation

• revolution

The Earth spins at a constant speed, always in the same direction.

• rotation

• revolution

Completed in one year.

• rotation

• revolution

The Sun appears higher in the sky during summer because we are titled closer to the Sun.

• rotation

• revolution

As the Earth orbits, the part tilted toward the Sun is having spring and summer.

• rotation

• revolution

Sunset happens as we begin to turn away from the Sun.

• rotation

• revolution