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Earth Science: Earth's Surface and Heat [Pdf]
This textbook chapter looks at the role of temperature in sustaining life on Earth and on weather and climate. It discusses the Earth's movements and the seasons, the circulation of the oceans, wind and weather, and the water cycle....
BioEd Online
Bio Ed Online: Reason for the Seasons
In this set of activities, the path the Sun takes in relation to the Earth is tracked by students on two days, with three months in between them. They will develop an understanding of what causes the seasons as they examine the effects...
Illustrative Mathematics
Illustrative Mathematics: G Mg Tilt of Earth's Axis and the Four Seasons
This task gives students 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.
Exploratorium
Exploratorium:seasons/shadows: Investigate How Shadows Shift Throughout the Year
Ancient Chacoans used shadows to tell daily time and seasons. Build a model that demonstrates the changes in Earth's tilt that affect the length of shadows relative to the sun that determines the seasons. The lesson plan uses everyday...
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...
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...
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.
PBS
Pbs Learning Media: Why Do We Have Seasons?
Explore what causes seasons on Earth in this interactive adapted from NASA materials that features four cities at different latitudes. Use this resource to view how Earth's axial tilt causes seasons from different perspectives and to...
Other
Astronomical Society of the Pacific: To Every Season There Is a Reason
Provides an in-depth explanation of seasons including why temperate and tropical climates have different seasonal cycles.
Science U
Science U: Reasons for the Seasons
This webpage uses diagrams and video to explain the causes of the seasons.
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.
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.
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...
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...
PBS
Pbs: Why Do We Have Seasons?
A student-directed tutorial showing all aspects of seasons, including Earth's tilt position in relation to the sun, photos of typical weather during that season, and some informational text to support the visuals.
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.
Science Education Resource Center at Carleton College
Serc: Modeling Earth's Seasons by Rotation and Revolution
In this lesson plan, students will discuss, define, and demonstrate the Earth's rotation and revolution around the sun in a counterclockwise position. They will be able to predict seasons based on the amount of light that hits the Earth.
Science Education Resource Center at Carleton College
Serc: Seasons
For this activity, students create a small model of the Earth using a styrofoam ball and a skewer. They then explore the relationship between the Earth and the Sun (a flashlight) to understand why it is hottest at the Equator, and why we...
E-learning for Kids
E Learning for Kids: Science: Atlantis: Defining Seasons All Over the World
Discover the seasons together with the ancient Greek philosopher Plato. Did you know it is summer on Atlantis when it is winter in Australia?
Harvard University
Eyes on the Sky, Feet on the Ground: The Earth's Orbit
Students perform many inquiry activities related to Earth's orbit. Included are recording daily temperatures, observing the sun's path over several weeks, tracking sunrise and sunset times, and angle of sunlight. Diagrams make lessons...
Science Buddies
Science Buddies: Kinesthetic Astronomy: Longer Days, Shorter Nights
This kinesthetic activity demonstrates to students that the Earth's tilt is what is responsible for shifting light patterns and the change in seasons.
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!
Ducksters
Ducksters: Kids Science: Earth's Seasons
Kids learn about the science of the seasons - winter, spring, summer, and autumn. Why we have them due to the Earth's tilt.