Earth's Rotation and Revolution Flashcard

Front

What is Earth's rotation?

Back

The spinning of the Earth on its axis, which takes approximately 24 hours to complete.

Front

What is Earth's revolution?

Back

The movement of the Earth around the Sun, which takes about 365 days to complete.

Front

What is the axis of the Earth?

Back

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

Front

What is a solstice?

Back

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

Front

What is an equinox?

Back

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

Front

How long does it take for the Earth to rotate once?

Back

Approximately 24 hours.

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis and its revolution around the Sun.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of the Earth on its axis, while revolution is the movement of the Earth around the Sun.

Front

What is the significance of the Winter Solstice?

Back

It marks the shortest day of the year and the start of winter in the Northern Hemisphere.

Front

What is the significance of the Summer Solstice?

Back

It marks the longest day of the year and the start of summer in the Northern Hemisphere.