Select a Science subject area to find free lessons, labs, activities, and arcade-style review games for your classroom.
Life Science
Cells, body systems, ecosystems, and adaptations for grades 5–8.
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Physical Science
Matter, motion, forces, energy, and simple machines for middle school.
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Biology
High school life science, ecology, genetics, and the human body.
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Chemistry
Atoms, periodic table, bonding, and chemical reactions.
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Physics
Motion, forces, energy, waves, and electricity.
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Earth & Space Science
Geology, weather, climate, oceans, and the solar system.
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Environmental Science
Ecosystems, human impact, resources, and sustainability.
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Astronomy
Solar system, stars, galaxies, and the universe.
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STEM & Engineering
Engineering design, STEM challenges, coding, and real-world applications.
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