Space Unit Review

Front

What causes the seasons on Earth?

Back

The seasons are caused by Earth's tilt and revolution around the Sun.

Front

What is the waning crescent moon phase?

Back

The waning crescent is the phase of the moon where less than half of the moon is illuminated, and it appears to be shrinking.

Front

When do the equinoxes occur?

Back

The equinoxes occur in March and September.

Front

What is the First Quarter moon phase?

Back

The First Quarter moon phase is when half of the moon is illuminated and appears as a half-circle.

Front

What is the Last Quarter moon phase?

Back

The Last Quarter moon phase is when the left half of the moon is illuminated and the right half is dark.

Front

What is Earth's tilt?

Back

Earth's tilt is the angle at which Earth is tilted on its axis, approximately 23.5 degrees.

Front

What is Earth's revolution?

Back

Earth's revolution is the movement of Earth around the Sun, taking about 365.25 days to complete one orbit.

Front

What is a full moon?

Back

A full moon is the phase when the entire face of the moon is illuminated by the Sun.

Front

What is a waxing gibbous moon?

Back

A waxing gibbous moon is the phase when more than half of the moon is illuminated and is increasing in light.

Front

What is a new moon?

Back

A new moon is the phase when the moon is between the Earth and the Sun, and its illuminated side is facing away from Earth.