PALMERSci CA2 Review

Front

Why do lunar eclipses not occur every month?

Back

Because the Moon's orbit around the Earth is tilted relative to the Earth's orbit around the Sun.

Front

What is the mean average tide occurrence time change each day?

Back

The mean average tide occurs later each day by 50 minutes.

Front

Why do we NOT have a lunar eclipse each month?

Back

The tilt of the moon's orbit is at 5 degrees.

Front

What occurs when one planetary body passes through the shadow of another?

Back

Eclipse.

Front

During which moon phase can a lunar eclipse occur?

Back

Full Moon.

Front

What is the tilt of the Moon's orbit relative to the Earth's orbit?

Back

5 degrees.

Front

What is an eclipse?

Back

An eclipse occurs when one celestial body moves into the shadow of another celestial body.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light; a lunar eclipse occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon.

Front

What is the umbra?

Back

The umbra is the darkest part of a shadow during an eclipse.

Front

What is the penumbra?

Back

The penumbra is the lighter part of a shadow during an eclipse.