🧬 Science
Biology
Cells, energy, genetics, evolution and ecology with diagrams, analogies and memory tricks that make the vocabulary stick.
Aligned to the Next Generation Science Standards (NGSS) High School Life Science (HS-LS) performance expectations. 3 of 19 planned lessons are live. New ones are added every week.
Unit 1: Cells
The building blocks of life.
Cell Theory
Coming soonProkaryotic vs. Eukaryotic Cells
Coming soonCell Organelles and Their Jobs
Ready · 17 minCell Membrane and Transport
Coming soonUnit 2: Energy
How living things get power.
Unit 3: Genetics
Why you look like your family.
DNA Structure
Coming soonMitosis
Ready · 18 minMeiosis
Coming soonPunnett Squares
Coming soonDominant and Recessive Traits
Coming soonProtein Synthesis
Coming soonUnit 4: Evolution
Change over time.
Natural Selection
Coming soonEvidence for Evolution
Coming soonUnit 5: Ecology
Living things and their world.