Seasons

Front

What are the reasons for the seasons?

Back

Earth's tilt & revolution.

Front

What does the term equinox mean?

Back

Equal amount of daylight and equal amount of night.

Front

What causes more heat, indirect sunlight or direct sunlight?

Back

Direct sunlight.

Front

What causes there to be longer hours of light during the summer?

Back

Earth tilts toward the sun in summer.

Front

What do June 21 and December 21 have in common?

Back

They are solstice dates.

Front

What is the definition of a solstice?

Back

The time when the sun is at its greatest distance from the celestial equator.

Front

How many solstices occur in a year?

Back

Two solstices occur in a year.

Front

What is the summer solstice?

Back

The longest day of the year, occurring around June 21.

Front

What is the winter solstice?

Back

The shortest day of the year, occurring around December 21.

Front

What is the significance of the equinoxes?

Back

They mark the beginning of spring and autumn.