Earth, Moon, and Sun

Front

What is the term for when the moon is getting smaller?

Back

Waning

Front

What must happen for a solar eclipse to occur?

Back

The moon must be directly between Earth and the sun.

Front

Where is a total solar eclipse visible from?

Back

Only within the moon’s umbra.

Front

How many high tides and low tides do most coastal areas have each day?

Back

Two high tides and two low tides.

Front

During a total lunar eclipse, where is the moon located?

Back

In Earth’s umbra.

Front

What is the term for when the moon is getting larger?

Back

Waxing

Front

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

Back

A solar eclipse occurs when the moon is between Earth and the sun; a lunar eclipse occurs when Earth is between the sun and the moon.

Front

What is the umbra?

Back

The darkest part of a shadow during an eclipse.

Front

What is the penumbra?

Back

The lighter part of a shadow during an eclipse.

Front

How often do solar eclipses occur?

Back

About 2 to 5 times a year.