Activities
Looking for high-quality, free activities for science, math and engineering? You're in exactly the right place. Our Activity Finder features some of the best of our free, open source activities.
Use the Activity Finder to narrow down and filter through our currently featured activities. You can search by subject and grade level or narrow the list to a particular research focus area.
For even more great activities, look at our many active projects.
By Subject
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Biology
Find free activities about molecular biology, genetics, ecology, populations, environment, evolution, natural selection – and more.
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Chemistry
Explore physical and chemical changes, atomic and molecular structure – and more.
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Earth and Space Science
Find free activities about global warming, solar system, weather and water – and more.
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Engineering
Find free activities that allow you to design, build, and test a bridge, bungee jump, solar oven – and more.
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Mathematics
Find free activities about algebra, graphing and interpretation, data and probability – and more.
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Physics
Explore motion, electricity, light and sound – and more.
By Grade Level
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Elementary School
Find free activities to help students learn about plants, clouds, evolution, math – and more.
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Middle School
Find activities about everything from photosynthesis to phase change and from graphs to global warming – and more.
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High School
Find activities about everything from data analysis to DNA, and from reactions to resistors.
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Higher Education
Browse a selection of activities covering chemistry, physics, biology – and more.
Software
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Energy2D
Energy2D is free, interactive, visual simulation software that models all three mechanisms of heat transfer—conduction, convection, and radiation.
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Energy3D
Free Energy3D software presents an easy-to-use 3D user interface for students to design and analyze model green buildings.
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Molecular Workbench
The Molecular Workbench™ (MW) is a free, open-source tool that creates and delivers visual, interactive simulations for teaching and learning science and engineering
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Next-Generation Molecular Workbench
Now you can use our award-winning molecular simulations anytime, anywhere with the new HTML5-based version of Molecular Workbench™.
