Earth's Seasons

Front

What causes Earth's seasons?

Back

Earth's seasons are caused by the tilt of its axis and its orbit around the Sun.

Front

What is the tilt of Earth's axis?

Back

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

Front

What is the summer solstice?

Back

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

Front

What is the winter solstice?

Back

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

Front

What is an equinox?

Back

An equinox is a time when day and night are approximately equal in length, occurring in spring and fall.

Front

What season occurs when the Northern Hemisphere is tilted towards the Sun?

Back

Summer occurs when the Northern Hemisphere is tilted towards the Sun.

Front

What season occurs when the Northern Hemisphere is tilted away from the Sun?

Back

Winter occurs when the Northern Hemisphere is tilted away from the Sun.

Front

What happens to daylight hours during winter?

Back

Daylight hours are shorter during winter.

Front

What happens to daylight hours during summer?

Back

Daylight hours are longer during summer.

Front

What is the fall equinox?

Back

The fall equinox occurs around September 22, marking the start of fall in the Northern Hemisphere.