Practice Flashcard for Final

Front

What happens during a lunar eclipse?

Back

The Moon is partially covered by the Earth's shadow.

Front

What seasons do we experience a solstice?

Back

Summer and Winter.

Front

What is a control variable in an experiment?

Back

A variable that is kept constant.

Front

What shadow do you experience during a partial eclipse?

Back

Penumbra.

Front

What is a dependent variable?

Back

The variable you measure in an experiment.

Front

What is an umbra?

Back

The darkest part of a shadow where the light source is completely blocked.

Front

What is a penumbra?

Back

The lighter part of a shadow where the light source is partially blocked.

Front

What is a total eclipse?

Back

An event where one celestial body completely covers another.

Front

What is the difference between independent and dependent variables?

Back

Independent variables are changed by the experimenter; dependent variables are measured.

Front

What is the significance of solstices?

Back

They mark the longest and shortest days of the year.