Front

What are the dark areas of the moon caused by ancient volcanic eruptions called?

Back

Lunar mare

Front

What is the main source of light that allows us to see the moon?

Back

Sun

Front

What phase of the moon is halfway illuminated and looks like a half circle?

Back

Quarter moon

Front

What do we call the phase of the moon when it is completely dark?

Back

New moon

Front

What is the term for the shape of the moon when it is more than half illuminated but not full?

Back

Gibbous moon

Front

What happens to the appearance of the moon as it goes through its phases?

Back

It changes shape from new moon to full moon and back.

Front

What is the term for the time it takes for the moon to complete one full cycle of phases?

Back

Lunar month

Front

What is the name of the bright areas on the moon's surface?

Back

Highlands

Front

What is the effect of distance on how we perceive the size of objects, like the moon?

Back

Objects appear smaller when they are further away.

Front

What is the term for the moon's position when it is fully illuminated?

Back

Full moon