Free downloadable high school science activities

If you’re like most teachers we know, if you were granted one wish it would be for more time. Khan Academy wants to help.

Our free, downloadable classroom activities are creative, hands-on, designed by experts, and easy for teachers to use. Best of all, they save you hours of planning time. They’re the next best thing to a fairy godmother.

Here are the activities you’ll receive:

High School Physics

• How do engineers design strong bridges?
• How do engineers design safety cushions to save lives?
• Why is a Neptune year so long?
• Why do clothes develop static cling in a dryer?
• How do engineers design roller coasters?
• How can motion produce electricity?
• Why do optical discs reflect rainbow colors?
• How can starlight reveal the elements in a star?
• How do carbon dioxide and albedo affect how Earth interacts with sunlight?
• How do we know when dinosaurs lived on Earth?

High School Chemistry

• What hidden trade-offs exist when we choose aluminum cans versus glass bottles for packaging?
• How can a big log turn into a tiny pile of ash when it burns? 
• How does the International Space Station produce enough oxygen to keep the astronauts alive?
• How does water form droplets on surfaces?
• Why does sand at the beach feel hot, even when the water feels cool?
• How can solubility principles help us detect and eliminate chemical contaminants in our water supply?
• Why does food in a refrigerator stay fresh for longer?
• How do we know when dinosaurs lived on Earth?