Earth Moon Sun Chapters 1-2

Front

What is the primary source of light for the Moon?

Back

The Sun

Front

Which side of the Moon is illuminated during a full moon as seen from Earth?

Back

The near side

Front

What causes the dark areas, or "maria," on the Moon's surface?

Back

Lava flows

Front

Which term describes the boundary between the light and dark sides of the Moon?

Back

Terminator

Front

If you observe the Moon at midnight and see it fully illuminated, what phase is it in?

Back

Full Moon

Front

How long does it take for the Moon to complete one full cycle of phases?

Back

About 29.5 days

Front

What is the main reason we see different phases of the Moon from Earth?

Back

The Moon orbits the Earth.

Front

Why do we not have a lunar eclipse every month?

Back

The Moon’s orbit is tilted relative to Earth’s orbit

Front

If you see a first quarter Moon in the sky, where is the Sun located relative to the Moon and Earth?

Back

At a right angle to the line between Earth and Moon

Front

A student claims that the Moon produces its own light. Use evidence to support or refute this claim.

Back

The Moon reflects sunlight, it does not produce its own light.