CPALMS
Cpalms: Daytime and Nighttime
The user looks at the daytime and nighttimeand what makes eachtime special as the student completes this interactive tutorial.
Smithsonian Institution
Smithsonian Science Education Center:tis the Season for a Reason
A professional development video exploring students misconception over the reason for Earth's season. This video addresses a way to help students understand how Earth's orbit contributes to the seasons. [11:56]