5.8C Earth's Rotation STAAR Questions

Front

What causes the sun to appear to move across the sky each day?

Back

The rotation of Earth on its axis.

Front

What is the best evidence that Earth is always rotating on its axis?

Back

The appearance of shadows changing throughout the day.

Front

What is the effect of Earth's rotation on the position of the sun in the sky?

Back

The sun appears to move from east to west as Earth rotates.

Front

What is Earth's axis?

Back

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

Front

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

Back

Approximately 24 hours.

Front

What happens to shadows as the sun moves across the sky?

Back

Shadows change in length and direction.

Front

What is the difference between Earth's rotation and its revolution?

Back

Rotation is the spinning of Earth on its axis; revolution is the orbit of Earth around the Sun.

Front

What is the significance of the Earth's tilt on its axis?

Back

It causes the seasons as different parts of Earth receive varying amounts of sunlight throughout the year.

Front

What is a solar day?

Back

The time it takes for the sun to return to the same position in the sky, about 24 hours.

Front

What is the relationship between the Earth's rotation and time zones?

Back

As Earth rotates, different areas experience daylight and darkness, leading to the establishment of time zones.