Curated OER
Graphing San Diego Tides
Students observe the tides in San Diego for one month.  Using this information, they graph the tides on a chart along with the phases of the moon.  They answer questions related to the graph to end the lesson.
Curated OER
Greenhouse Effect
Students investigate the greenhouse effect.  In this environmental lesson, students investigate why the greenhouse effect changes the climate through an experiment.  Students use vinegar to simulate how acid damages the environment.
Curated OER
Watershed Management
Middle schoolers investigate the concept of a watershed. They conduct research into the concept using a variety of resources. Students take a field trip to a local watershed to make observations. The outcome is a report concerning the...
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.
Other
Weber State University: The Sun and the Seasons
To those of us who live on earth, the most important astronomical object by far is the sun. This article explains how the motion of the sun through our sky cause day and night, the passage of the seasons, and earth's varied climates.
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!
BioEd Online
Bio Ed Online: Sleep and Circadian Rhythms
The following lessons help students from grades 6-8 understand sleep and circadian rhythms. Lesson topics iinclude: day and night, seasons, sundails, clocks, sleep and sleep patterns and sleeping in space.
CK-12 Foundation
Ck 12: Earth Science: Seasons
[Free Registration/Login may be required to access all resource tools.] Learn how and why seasons occur.
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.
ClassFlow
Class Flow: Earth and Space the Seasons
[Free Registration/Login Required] This flipchart explores the relationship between the sun and earth and how the seasons happen. Vocabulary of the equinox, solstice, etc. is included.
Ducksters
Ducksters: Kids Science Projects and Experiments: Seasons Angle of the Sun
Kids learn by experimenting with science. Project showing how the angle of the sun affects our temperature.
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...
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: 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...
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...
Alabama Learning Exchange
Alex: The Sun and the Earth
The students will understand the relationship between the Earth and the sun and how this relationship affects observable phenomena on Earth, such as the seasons. The activity will help students learn about these concepts and will...
BBC
Bb Ci Space: Earth
The BBC provides a general overview of the planet Earth. Content includes statistical information, a focus on the four seasons, moon information, and more.
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...
Scholastic
Scholastic: Dirtmeister's Science Lab: Let the Sun Shine In
Students graph data reflecting time of day and length of shadow, and then draw conclusions about Earth's seasons and position in relation to the Sun.
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 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...
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.
Oklahoma Mesonet
Oklahoma Climatological Survey: The Seasons
Find out what the seasons are and how they change. Through the use of excellent graphics, content explores the Earth's orbit around the sun and how sunlight reaches the earth at equinox and the winter solstice.
The Wonder of Science
The Wonder of Science: Ms Ess1 1: Earth Sun Moon System
Develop and use a model of the earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons.