Seasons

Front

What are the four seasons?

Back

Spring, Summer, Fall (Autumn), Winter.

Front

What causes the seasons?

Back

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

Front

What is the summer solstice?

Back

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

Front

What is the winter solstice?

Back

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

Front

What is an equinox?

Back

A point in the year when day and night are of approximately equal length, occurring around March 21 (Spring) and September 23 (Fall).

Front

What happens during spring?

Back

Temperatures begin to warm, plants start to grow, and days become longer.

Front

What happens during winter?

Back

Temperatures drop, days are shorter, and in many regions, snow may fall.

Front

What is rotation?

Back

The spinning of the Earth on its axis, which takes about 24 hours.

Front

What is revolution?

Back

The movement of the Earth around the Sun, which takes about 365.25 days.

Front

How does the tilt of the Earth affect seasons?

Back

Different parts of the Earth receive varying amounts of sunlight throughout the year, causing seasons.