Cell Biology
Cells, organelles, photosynthesis, and matter-building models.
Osmia Learning
Science resources with room to think.
Interactive lessons, activities, and simulations students run in the browser — no logins, no student data.
Browse by topic
Pick a unit, see everything in it.
Genetics & Heredity
Punnett squares, allele reasoning, gametes, and inheritance probability.
Ecology & Ecosystems
Food webs, disruptions, habitat decisions, and restoration tradeoffs.
Scientific Skills
Graphs, variables, fair tests, and evidence-based claims.
Coming soon: Evolution & Natural Selection and Environmental Science.
Start here
Three favorites to try first.
Lesson
Photosynthesis Mission
Trace one carbon atom into plant matter through models, maps, and a photosynthesis builder.
Activity
Punnett Square Challenge
Build and interpret Punnett squares through scaffolded inheritance scenarios.
Simulation
Food Web Disruption Simulator
Adjust ecosystem pressures and observe how connected species respond.
Companion packs
Printable supports, answer keys, and planning notes — buy once in the teacher store or on Teachers Pay Teachers.
Visit the teacher storeBrowser-only use
Activities do not require names, logins, student profiles, analytics, or cloud sync.
Read privacy notesMastery Monitor
Optional standards-based tracking that pairs with select packs; every resource works on its own.
See how it fits