Winter (December 20 or 21)

In this 1-minute video from CBC, Elder Wilfred Buck explains how the Cree observe the shortest day and the longest night of the year.

This is a 12-minute video explaining the sun's arc through the sky at different points in the year, including the solstice and equinox. (for older elementary or secondary students)

Learn how the shape of the Earth's orbit around the Sun and the Earth's tilt on its axis affect the amount of sunlight we get in winter and summer.

Explore what causes seasons on Earth in this interactive adapted from NASA materials.