Moon Phases

Front

What causes seasons on Earth?

Back

The Earth's orbit around the Sun.

Front

What is the spinning of the Earth on its axis called?

Back

Rotation.

Front

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

Back

365 days.

Front

What is it called when the Earth travels around the Sun?

Back

Orbiting.

Front

What is the phase of the moon when it is completely illuminated?

Back

Full moon.

Front

What is the phase of the moon when it is not visible from Earth?

Back

New moon.

Front

What are the four main phases of the moon?

Back

New moon, First quarter, Full moon, Last quarter.

Front

What is the term for the path the Earth takes around the Sun?

Back

Orbit.

Front

What is the term for the time it takes for the moon to go through all its phases?

Back

Lunar month (about 29.5 days).

Front

What is the effect of the tilt of the Earth's axis?

Back

It causes the changing seasons.