Science Resources
Biology Activities & Lessons
Looking for an alternative to another Biology worksheet? Explore student-centered Biology lessons that build understanding through real phenomena, hands-on investigation, and evidence-based reasoning. You'll find activities spanning cells and cellular processes, genetics and heredity, evolution, and ecosystems, each with a built-in answer key and a print-ready format. Every lesson below was created by a teacher on STEMEngine and is free to browse.
6 free Biology lessons available.
Biology
Building Life's Molecules: Macromolecules, Enzymes & Biochemical Reactions
9th Grade 5E Model
8 tasks 50 minPreview
Biology
Divide & Conquer: Cell Cycle, Mitosis, and Cancer
9th Grade 5E Model
8 tasks 50 minPreview
Biology
Energy Cycles: Photosynthesis & Cellular Respiration in Conversation
9th Grade 5E Model
7 tasks 50 minPreview
High School Biology
The Dangerous IV Mix-Up: Osmosis, Tonicity, and the Life-or-Death Chemistry of Cells
9th/10th Grade NGSS Phenomenon-Based NGSS HS-LS1-2, HS-LS1-3
6 tasks 50 minPreview
Biology
Survival of the Fittest: How Natural Selection Shapes Populations Over Time
10th Grade 5E Model
7 tasks 60 minPreview
Biology
Cell Cities: Exploring Organelle Structure & Function in Plant vs. Animal Cells
7th Grade 5E Model MS-LS1-2
8 tasks 50 minPreview