Cell Biology
Photosynthesis, matter-building models, and how cells use instructions to build proteins.
Osmia Learning
Science resources with room to think.
Interactive science lessons that run right in the browser — no accounts or student data required.
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Five complete lessons to try first.
Lesson
Kelp Forest Collapse
Investigate an urchin barren, trace energy through the food web, and test trophic cascades.
Lesson
Photosynthesis Mission
Trace one carbon atom into plant matter through models, maps, and a photosynthesis builder.
Lesson
DNA: The Code That Copies Itself
Build nucleotides, use base-pairing rules, and model how DNA copies itself.
Lesson
The Cell's Assembly Line
Follow DNA instructions into RNA and proteins to see how cells build what they need.
Lesson
Looks vs. Letters: Mendel’s Pea Plant Mystery
Investigate why two purple-flowered parents can have a white-flowered offspring.
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Student pages, answer keys, and teacher notes that go with the free lessons.
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Progress tracking is available for teachers who want it, but every lesson works on its own.
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