Sun-Earth-Moon Systems Unit Review

Front

What is the rotation of Earth?

Back

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

Front

What is the revolution of Earth?

Back

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

Front

What determines the length of a year on Earth?

Back

The length of a year on Earth is determined by the time it takes for Earth to orbit the Sun.

Front

Which hemisphere experiences summer when the Northern Hemisphere experiences winter?

Back

The Southern Hemisphere experiences summer when the Northern Hemisphere experiences winter.

Front

What are the two moon phases associated with the highest tidal range?

Back

The two moon phases associated with the highest tidal range are the New Moon and Full Moon.

Front

What are the two factors that result in Earth having seasons?

Back

The two factors that result in Earth having seasons are the tilt of the Earth and its orbit around the Sun.

Front

What is the tilt of Earth's axis?

Back

The tilt of Earth's axis is approximately 23.5 degrees, which affects the seasons.

Front

What is a tidal range?

Back

Tidal range is the difference in height between high tide and low tide.

Front

What causes tides on Earth?

Back

Tides on Earth are caused by the gravitational pull of the Moon and the Sun.

Front

What is the significance of the equinoxes?

Back

Equinoxes are significant because they mark the times of the year when day and night are of equal length.