Earth's Motions Review

Front

What is the tilt of the Earth's axis?

Back

23.5 degrees.

Front

What is the significance of the Earth's tilt?

Back

It affects the seasons and climate.

Front

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

Back

Approximately 365.25 days.

Front

What is the rate of Earth's revolution in degrees per day?

Back

1 degree per day.

Front

What causes the phenomenon of star trails in photography?

Back

The rotation of the Earth on its axis.

Front

What is Polaris, and why is it significant in navigation?

Back

Polaris, or the North Star, is aligned with the Earth's rotational axis and indicates true north.

Front

How does the Earth's revolution affect the length of a year?

Back

The length of a year is based on the time it takes for the Earth to complete one full revolution around the Sun.

Front

What is the relationship between Earth's rotation and day length?

Back

The rotation of the Earth on its axis determines the length of a day.

Front

What is the effect of Earth's axial tilt on the altitude of Polaris as observed from different latitudes?

Back

The altitude of Polaris increases as one moves northward.

Front

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

Back

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