Understanding Earth's Movements

Front

What is a leap year?

Back

A leap year is a year that has an extra day (February 29) added to keep our calendar in alignment with the Earth's revolution around the Sun, which takes approximately 365.25 days.

Front

Why does the Earth have a leap year every four years?

Back

To account for the extra day in Earth's revolution time.

Front

What is the axis of the Earth?

Back

The axis is an invisible line that the Earth spins around, tilted at an angle of about 23.5 degrees.

Front

How long does it take for the Earth to complete one rotation on its axis?

Back

24 hours.

Front

How long does it take for the Earth to complete one revolution around the Sun?

Back

365 days.

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis.

Front

What is the equator?

Back

The equator is an imaginary line that divides the Earth into the Northern and Southern Hemispheres, located equidistant from the poles.

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 Earth's tilt?

Back

The tilt of the Earth's axis is responsible for the changing seasons as different parts of the Earth receive varying amounts of sunlight throughout the year.

Front

What is the orbit of the Earth?

Back

The orbit is the path that the Earth takes as it revolves around the Sun, which is elliptical in shape.