Earth in Space

Front

What shape is the Earth?

Back

The Earth is round.

Front

Why can we see more of an object as we move uphill?

Back

Because the curvature of the Earth allows us to see more of the object as we gain elevation.

Front

How long does it take for the Moon to complete one full revolution around the Earth?

Back

29.5 days or 1 month.

Front

What is the term for the Moon's movement around the Earth?

Back

The Moon revolves around the Earth.

Front

How long does it take for Earth to complete one full rotation on its axis?

Back

24 hours.

Front

What does Earth rotate on?

Back

Earth rotates on its axis.

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its axis, while revolution is when an object orbits around another object.

Front

What causes day and night on Earth?

Back

Day and night are caused by the rotation of the Earth on its axis.

Front

What is an axis?

Back

An axis is an imaginary line that an object rotates around.

Front

What is the significance of the Earth's tilt?

Back

The tilt of the Earth affects the seasons.