American Association for the Advancement of Science
Aaas: Project 2061: Topic: Weather and Climate Ii: Seasonal Differences
[Free Registration/Login Required] Create a science test that checks for student understanding in science, for common misconceptions, as well as for correct ideas. This is a list of key ideas related to Weather and Climate II: Seasonal...
NASA
Nasa: Sci Jinks: What's a Solstice?
Find out how the Earth's tilted axis affects the seasons on the Earth.
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.
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.
Khan Academy
Khan Academy: Cosmology and Astronomy: Season Simulator
This season simulator takes Earth through an entire year cycle allowing the viewer to observe the tilt of the Earth and the intensity of the sunlight.
TED Talks
Ted: Ted Ed: Reasons for the Seasons
Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the two hemispheres? Rebecca Kaplan explains how the shape of the Earth's orbit around the...
Science Buddies
Science Buddies: Project Ideas: The Reasons for the Seasons
In this astronomy science fair project, investigate how the earth's axial tilt creates seasons. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a section on...
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] 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.
NASA
National Aeronautics and Space Administration: Scijinks: Seasons
An explanation about the rotation of the Earth and why the Earth has seasons.
Science U
Science U: Reasons for the Seasons
This webpage uses diagrams and video to explain the causes of the seasons.
Wikimedia
Wikipedia: Season
Encyclopedia entry for the seasons. Click on each specific season for more information.
Curated OER
Weather Dude: The Seasons
Especially for kids, the Weather Dude provides a simple explanation of the seasons. Includes a music clip titled "Circle of Our Four Seasons," and suggested lesson plans and school assignments.
Other
Footprints Science: Seasons
A single animated slide that demonstrates how the alignment of earth causes the summer and winter seasons.
Illustrative Mathematics
Illustrative Mathematics: G Mg Tilt of Earth's Axis and the Four Seasons
This task gives learners a chance to explore the effects of the Earth's tilt and rotation using a simple geometric model of Earth-Sun interaction that shows why the seasons occur. Aligns with G-MG.A.1.
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: Fifth Grade Science: Earth Science: Earth's Motion in Space
[Free Registration/Login may be required to access all resource tools.] Discusses the motion of the Earth with its day and night cycle, the seasons, the Earth's orbit around the Sun, and its year-long cycle.
Texas Instruments
Texas Instruments: What Causes the Seasons?
In this activity, students' will explore how the tilt of the earth's axis results in different amounts of solar radiation at different times of the year, causing seasons. They will simulate the earth's warming using a light bulb that...
Science Buddies
Science Buddies: A Matter of Degrees: Tilt of Earth's Axis Affects the Seasons
In this science fair project, use a globe and a heat lamp to investigate how the angle of the Sun affects global warming. This project includes the objective, background questions, a list of all the materials you'll need, and the...
Sophia Learning
Sophia: Earth and Sun
A slideshow exploring Earth's rotation and revolution around the sun. Learn that because of Earth's axis tilt we experience the seasons!
Math Is Fun
Math Is Fun: The Seasons
Learn about the four seasons, when they occur in the northern and southern hemispheres, and why the seasons change as the Earth rotates around the Sun.
University of Illinois
University of Illinois Extension: Tree House Weather Kids: What Causes the Season?
Explore what causes the change of seasons on the Earth.
National Museums Liverpool
Liverpool Museums: The Sun Tracker
This simulation allows the user to see the sun's arc in the sky anywhere in the world at any time. By changing the season settings the user can see how seasons affect the height of the sun's arc.