Earth's Motions

Front

Rotation

Back

The spinning of Earth on its axis, which causes day and night.

Front

Revolution

Back

The movement of Earth around the Sun, which takes about 365 days and causes the seasons.

Front

Day and Night

Back

The result of Earth's rotation; when one side of Earth faces the Sun, it experiences day, while the opposite side experiences night.

Front

Seasons

Back

The four divisions of the year (spring, summer, autumn, winter) caused by Earth's tilt and its revolution around the Sun.

Front

Axis

Back

An imaginary line that runs from the North Pole to the South Pole, around which Earth rotates.

Front

Tilt of the Earth

Back

The angle at which Earth is tilted on its axis (approximately 23.5 degrees), affecting the intensity and duration of sunlight received at different times of the year.

Front

Equator

Back

An imaginary line that divides Earth into the Northern and Southern Hemispheres, receiving direct sunlight year-round.

Front

Solstice

Back

The two times of the year when the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days.

Front

Equinox

Back

The two times of the year when day and night are of approximately equal length, occurring in spring and autumn.

Front

Orbit

Back

The path that Earth takes as it revolves around the Sun.