Seasons

Front

What is the main reason for the changing seasons on Earth?

Back

The tilt of the Earth's axis and its orbit around the Sun cause different parts of the Earth to receive varying amounts of sunlight throughout the year.

Front

What are the four seasons?

Back

Winter, Spring, Summer, Fall (Autumn).

Front

What is the tilt of the Earth's axis?

Back

The Earth's axis is tilted at an angle of 23.5 degrees.

Front

What is a solstice?

Back

A solstice is an event that occurs twice a year when the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days.

Front

What are equinoxes?

Back

Equinoxes are the two times a year when day and night are of approximately equal length, occurring in March and September.

Front

In which hemisphere is it summer when it is winter in the opposite hemisphere?

Back

When it is winter in the Northern Hemisphere, it is summer in the Southern Hemisphere.

Front

What season occurs in the Northern Hemisphere during June 21?

Back

Summer begins in the Northern Hemisphere on June 21.

Front

What season occurs in the Southern Hemisphere during December 21?

Back

Summer begins in the Southern Hemisphere on December 21.

Front

What is the significance of June 21 and December 21?

Back

They are solstice dates, marking the start of summer in one hemisphere and winter in the other.

Front

What happens to the length of days during summer?

Back

Days are longer during summer due to the tilt of the Earth's axis.