Earth, Sun, and Moon Review

Front

What is the Moon's phase when it is completely dark?

Back

New Moon.

Front

What causes the different phases of the Moon?

Back

The relative positions of the Earth, Moon, and Sun.

Front

What is the term for the part of the Moon that is illuminated by the Sun?

Back

The lit side or the sunlit hemisphere.

Front

What is a lunar eclipse?

Back

When the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

Front

What is a solar eclipse?

Back

When the Moon passes between the Earth and the Sun, blocking sunlight from reaching the Earth.

Front

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

Back

About 27.3 days.

Front

What is the term for the position of the Moon when it is fully illuminated?

Back

Full Moon.

Front

What is the significance of the Moon's gravitational pull on Earth?

Back

It causes tides in Earth's oceans.

Front

What is the difference between a waxing and waning Moon?

Back

Waxing means the Moon is getting larger; waning means it is getting smaller.

Front

What is the term for the Moon's position when it is half illuminated?

Back

First Quarter or Last Quarter.