6.9A Rotation and 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, taking about 365.25 days to complete one full orbit.

Front

How does Earth's rotation affect day and night?

Back

Earth's rotation causes different parts of the planet to face the Sun or move away from it, creating the cycle of day and night.

Front

What causes the seasons on Earth?

Back

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

Front

What is the axial tilt of the Earth?

Back

The axial tilt of the Earth is approximately 23.5 degrees, which affects the intensity and duration of sunlight received at different latitudes.

Front

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

Back

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

Front

What is the significance of the equinoxes?

Back

Equinoxes are the times of the year when day and night are approximately equal in length, occurring in March and September.

Front

What is the difference between the Northern and Southern Hemispheres?

Back

The Northern Hemisphere is the half of the Earth that is north of the equator, while the Southern Hemisphere is south of the equator, leading to opposite seasons.

Front

What is a solstice?

Back

A solstice is an event that occurs twice a year when the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days.

Front

How do tides relate to the Moon's position?

Back

Tides are caused by the gravitational pull of the Moon and the Sun on Earth's oceans, leading to high and low tides.