abcteach
Abcteach: Earth Day Activities
[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...
Scholastic
Scholastic: Study Jams! Science: Our Solar System: A Day on Earth
A video and a short multiple-choice quiz on how the Earth's tilt on its axis, its rotation, and its orbit around the Sun give us a 24-hour day, a 365-day year, and our seasons.
Scholastic
Scholastic: Study Jams! Science: Weather & Climate: Seasons
A slideshow and a short multiple-choice quiz on the topic of seasons and how they are caused by the Earth's rotation and orbit.
CK-12 Foundation
Ck 12: Plix: Seasons: Earth's Orbit
[Free Registration/Login Required] An interactive animation demonstrating the Earth's tilted axis and how that causes the seasons. Also included on the site is a short quiz on the topic.
CK-12 Foundation
Ck 12: Plix: Seasons
[Free Registration/Login Required] View how the axis of rotation causes Earth to have seasons on this site. Also test your knowledge on how the position of Earth and seasons relate with a short quiz.
CK-12 Foundation
Ck 12: Plix: Seasons
[Free Registration/Login Required] This site contains an animation showing how the seasons are produced by the tilt of Earth's rotating axis. Site also includes a short quiz over the topic of seasons.