Day and Night - Seasons

Rotate

To spin on an axis

Cycle

A pattern that repeats

What causes day and night?

Day and night are caused by Earth's rotation on its axis. It is day on the side of the Earth that is facing the sun. It is night on the side of the Earth facing away from the sun.

Waxing

Getting bigger

Waning

Getting smaller

How long does it take the Earth to make one full rotation on its axis?

It takes 24 hours, or one day, for the Earth to make a full rotation.

How long does it take the Earth to revolve around the sun ONE time?

It takes the Earth 365 days to revolve around the sun one time. One year

What is happening when the northern hemisphere is having the summer season?

Its the time when the Earth is tilted toward the sun as it revolves around the sun. That part gets more light and heat = summer

Phase

Part of a cycle

Explain two ways the Earth moves.

The Earth ROTATES on its axis. The Earth REVOLVES around the sun.

What causes the seasons?

The Earth's tilt on its axis, and the Earth's revolution around the sun

Axis

The imaginary line that runs through the center of the Earth at its poles

What makes a month?

The moon takes about 29 1/2 days to orbit the Earth.

Orbit

The path an object takes when revolving around another object

Revolve

To move (travel) around another object