Free Biology Lesson Plans & Resources

Find free biology lesson plans, teaching resources and professional development for grades PreK-12, higher education, and adult education, or access all science lesson plans.

Featured Resources
Biology Animal Cell Structure and Function Quiz
Lesson

Biology Animal Cell Structure and Function Quiz

Activity • Grade 9
Biology Animal Cell Structure and Function Quiz

allygard
Homeostasis and Respiration Notes
Lesson

Homeostasis and Respiration Notes

Review Activity • Grades 9-12
Homeostasis and Respiration Notes

Science_Team
Lifecycles
Lesson

Lifecycles

Activity, Assessment, Handout, Worksheet • Grades K-5
Lifecycles

Science_Team

Recent Biology Lesson Plans & Resources
tntl

How Radioactive Rhino Horns Could Help Save the Species From Poachers

September 04, 2025
How Radioactive Rhino Horns Could Help Save the Species From Poachers

PBS News Hour Classroom
lesson

Incredible Insects: Exploring the Mini World in AR

Grades K-2
Incredible Insects: Exploring the Mini World in AR

CleverBooks
tntl

How Maryland’s Riverkeepers Protect the State’s Waterways

August 19, 2025
How Maryland’s Riverkeepers Protect the State’s Waterways

PBS News Hour Classroom
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lesson

The Impact of Alcohol and Marijuana on Your Mental Health

Activity, Handout, Interactive, Lesson Plan, Review Activity, Worksheet • Grades 4-9
The Impact of Alcohol and Marijuana on Your Mental Health

Ask, Listen, Learn: Kids and Alcohol Don't Mix
lesson

Life cycle of a pumpkin Lesson for K-2nd Grade

Activity, Assessment, Presentation • Grades K-2
Life cycle of a pumpkin Lesson for K-2nd Grade

Twinkl USA
lesson

Marine Biology Curriculum: Dive into the Ocean's Wonders

Assessment, Handout, Lesson Plan • Grades 6-9
Marine Biology Curriculum: Dive into the Ocean's Wonders

jerushajohnson
lesson

Introduction to Genetics Lesson for 7th Grade

Activity, Assessment, Presentation, Worksheet • Grade 7
Introduction to Genetics Lesson for 7th Grade

Twinkl USA
lesson

Cell Organelles lesson for 6th-8th Grade

Presentation, Worksheet • Grades 6-8
Cell Organelles lesson for 6th-8th Grade

Twinkl USA
tntl

How Researchers in Florida Are Using Gene Editing to Protect the State's Orange Groves

June 24, 2025
How Researchers in Florida Are Using Gene Editing to Protect the State's Orange Groves

PBS News Hour Classroom
lesson

Can Animals Sail Across The Seas?

Activity • PreK, Grades K-12
Can Animals Sail Across The Seas?

Science Friday

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