8.7A Rotation & Revolution

Front

What is rotation?

Back

Rotation is the spinning of the Earth on its axis, which takes approximately 24 hours to complete one full turn.

Front

What is revolution?

Back

Revolution is the movement of the Earth around the Sun, which takes about 365.25 days to complete one full orbit.

Front

Why does the Equator receive more direct sunlight than other parts of the Earth?

Back

The Equator receives more direct sunlight because it is positioned at 0 degrees latitude, where sunlight strikes the Earth most directly throughout the year.

Front

What causes the seasons on Earth?

Back

Seasons are caused by the tilt of the Earth's axis and its revolution around the Sun.

Front

What is the tilt of the Earth's axis?

Back

The Earth's axis is tilted at an angle of approximately 23.5 degrees from vertical.

Front

How does the tilt of the Earth's axis affect the seasons?

Back

The tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the changing seasons.

Front

What season is experienced in the Southern Hemisphere when it is summer in the Northern Hemisphere?

Back

When it is summer in the Northern Hemisphere, it is winter in the Southern Hemisphere.

Front

What is the significance of the Equinox?

Back

An Equinox occurs when day and night are approximately equal in length, marking the change of seasons.

Front

What is the difference between day and night on Earth?

Back

Day occurs on the side of the Earth facing the Sun, while night occurs on the side facing away from the Sun.

Front

What is the role of the Sun in Earth's seasons?

Back

The Sun provides the light and heat that drive the changes in seasons as the Earth orbits around it.