Seasons, Equinoxes & Solstices

Front

What motion causes day and night?

Back

Earth's rotation.

Front

How long is one revolution of the Earth around the Sun?

Back

About 365 days.

Front

What causes the seasons?

Back

The tilt of the Earth's axis.

Front

Earth is tilted at _____________ degrees.

Back

23.5 degrees.

Front

Seasons change due to -

Back

The tilt of the Earth's axis as it revolves around the Sun.

Front

What is an equinox?

Back

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

Front

What is a solstice?

Back

A solstice is a time when the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days of the year.

Front

When does the summer solstice occur in the Northern Hemisphere?

Back

Around June 21.

Front

When does the winter solstice occur in the Northern Hemisphere?

Back

Around December 21.

Front

What is the significance of the Earth's axial tilt?

Back

The axial tilt of 23.5 degrees is responsible for the changing seasons.