Harvard University
Eyes on the Sky, Feet on the Ground: The Earth's Rotation
Plenty of cool activities about the Earth's rotation can be found here, such as tracing shadows, observing shadows during different times of the day, and tracking the sun's path in the sky to understand the rotation of the earth.
Science Education Resource Center at Carleton College
Serc: Mn Step: Rotation of the Earth
A KWL activity combined with a demonstration model. Students record their ideas and questions about why we have day and night. They then shine a flashlight (the Sun) on a rotating styrofoam ball (the Earth) and record their observations....
Other
Center for Science Education: Eye on the Sky: Motion of the Sun and Earth
Students model the interaction of the earth and the sun. The activity is designed for the playground. You will need chalk, but all the other worksheets are provided.
University of Chicago
University of Chicago: What's Your Slant? Sun and Shadows
This fun activity helps you to understand the movement of the sun by studying shadows.
Utah Education Network
Uen: Why Angle Changes Intensity
This hands-on activity will help students understand why summer is hotter than winter.
Alabama Learning Exchange
Alex: Our Restless Planet
This unit will use demonstrations and student examples to help students gain an understanding of rotation, revolution, and orbit. Through hands-on activities students will explore the concepts of day and night. Technology will be...
Science Education Resource Center at Carleton College
Serc: Tracking the Sun: Observing the Path of the Sun Throughout the Year
Over the course of the school year, students collect weekly data about the sun's position at a specific time of day, resulting in creating a figure "8" that shows the path of the sun called an analemma.
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...
Other
Center for Science Education: Eye on the Sky: What Makes Day and Night?
This activity will allow you to model day and night cycles. A rotating student holding a map (provided) models the earth. A lamp is used to model the sun. Numerous worksheets (pdf) and additional website resources are also provided.
TeachEngineering
Teach Engineering: Lunar Lollipops
The students work in teams of two to discover the relative positions of the Earth, Sun and Moon that produce the different phases of the Moon. The students will be given a Styrofoam ball that they will attach to a pencil so that it looks...
Enchanted Learning
Enchanted Learning: Zoom Astronomy
Where is our Solar System? How far away is the sun? What makes up the sun? Find out all you want to know about our solar system. This is a comprehensive on-line site about space and astronomy. Check out all of the excitement!