STAAR 17: Seasons, Revolution, Rotation

Front

Define a lunar cycle.

Back

The orbit of the Moon around Earth in which all phases of the moon occur.

Front

What is an equinox?

Back

When the Sun is directly over the equator, resulting in day and night of equal length.

Front

What is the angle of Earth's tilt?

Back

23.5 degrees.

Front

If the northern hemisphere is pointing more toward the sun, what season is it in the southern hemisphere?

Back

Winter!

Front

What is the effect of Earth rotating counterclockwise?

Back

It appears that the sun rises in the East and sets in the West.

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis and its revolution around the Sun.

Front

What is the duration of a lunar cycle?

Back

Approximately 29.5 days.

Front

What happens during a solstice?

Back

The Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days of the year.

Front

What is the difference between rotation and revolution?

Back

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

Front

What is a solar eclipse?

Back

An event that occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light.