Free Science Unit Studies and Lesson Plans
Science is a fun subject to teach, but coming up with ideas for lessons can be challenging. You don’t need to spend your time scouring the internet looking for science materials. We’ve found many sources of free science unit studies, lesson plans, and experiments. These free resources are perfect for piecing together your own science curriculum based on your children’s interests. They can also be used to supplement any science curriculum.
Free Science Unit Studies, Lesson Plans, and Experiments
Agriculture in the Classroom (K to 12th) – lesson plans covering agriculture, science, social studies, and nutrition
American Geosciences Institute (K to 5th) – Resources, activities, and more for teaching earth science
APS Physics (K to 8th) – Physics activities and coloring books
Better Lesson (K to 12th) – comprehensive lesson plans, experiments, and labs
The Biology Corner (6th to 12th) – Lesson plans, worksheets, and tutorials for students and teachers
Core Knowledge Foundation (K to 5th) – Downloadable lessons with teacher guides
Discover the Forrest (K to 12th) – A collection of outdoor science activities
Discover Your Changing World with NOAA (5th to 8th) – A downloadable book of climate science activities and experiments
Easy Teacher Worksheets (K to 12th) – an extensive collection of worksheets covering all branches of science
Ecosystem for Kids (1st to 6th) – printable worksheets and online activities for earth, physical, life, and environmental science
Education World (K to 12th) – A large selection of science lesson plans and activities
Funology (K to 6th) – A collection of simple science experiments
Go Science Girls (K to 12th) – 100 science experiments covering a wide range of topics.
The Good and The Beautiful Marine Biology (K to 8th) – A 13-lesson downloadable marine biology unit study
GreatSchools.org (K to 5th) – printable worksheets and activities covering a wide variety of topics
The Homeschool Daily (K to 8th) – Unit studies, printables, experiments, and STEM labs
Homeschool Helper Online (K to 8th) – Science unit studies covering a variety of topics
Homeschool Lesson Plans (2nd to 9th) – Science lesson plans with videos and hands-on activities
The Homeschool Scientist (K to 8th) – Printable lesson plans covering a variety of topics.
How to Smile (K to 12th) – Guides for nearly 3,500 science, technology, engineering, and math (STEM) activities
Instructables (1st – 8th) – project-based STEM lessons
Inquiry in Action (K to 5th) – Inquiry-based lesson plans covering science and chemistry in everyday life
Jonathan Bird’s Blue World (6th to 8th) – Lesson plans and study guides to accompany their ocean science webisodes.
Kristin Moon Science (K to 12th) – Science lessons, experiments, videos, and teaching ideas
Little Bins for Little Hands (K to 6th) – Science experiments and STEM activities covering a wide range of topics
Meet Penny (K to 8th) – A large collection of science experiments
Minerals Education Coalition (K to 12th) – Lessons plans, activities, presentations, handouts, and more that teach about minerals and mining
Nature Works (3rd to 6th) – 16 free episodes about natural science with lesson plans
Netflix’s Brain Child (3rd to 8th) – Lesson plans and student handouts to use with Netflix’s science program
NGSS Biology (6th to 12th) – Biology lesson plans, activities, experiments, worksheets, tests, and more
PBS Learning Media (K to 12th) – Lesson plans, videos, and interactive tools for teaching science
Polar Bears International (4th to 12th) – Downloadable units and lesson plans about polar bears
Rain Bird’s Explorations into Water (3rd to 6th) – Downloadable unit study about water, with an emphasis on conservation
Rain Bird’s Rain Forrest Teaching Curriculum (K to 12th) – Ebook of hands-on activities that teach about the rainforest
Research Parent (K to 12th) – science activities, experiments, and printables.
Sanford PROMISE (K to 12th) – Science lesson plans, printable resources, slide shows, and videos
Scholastic Study Jams (3rd to 6th) – Video and slideshow presentation-based science lessons
Science Bob (K to 12th) – Instructions, some including videos, for a variety of science experiments
Science Buddies (K to 12th) – Lesson plans and science project guides
Science Kids (K to 12th) – Science lesson plans, experiments, activities, and more
Science Matters (4th to 6th) – Downloadable units covering earth, life, and physical science
Science Mom QuaranTIME (3rd to 6th) – Video-based science and math lessons with printable notes
Science Sparks (K to 6th) – Science experiments, projects, worksheets, and more
SERC K12 Science (K to 12) – hundreds of hands-on activities and labs that include student handouts
Think Earth (K to 5th) – Downloadable units that cover environmental education
Try Engineering (K to 12th) – A database of lesson plans that teach engineering concepts
UCAR Center for Science Education (K to 12) – a collection of activities and curriculum units that teach earth science
Weather Wiz Kids (K to 8th) – A collection of weather-related science experiments
Woo! Jr. Kids Activities (K to 6th) – Science worksheets, lessons, and experiments
You Be the Chemist (K to 8th) – Activity guides for hands-on science experiences
Additional Free Science Resources
Science and Nature Study Curriculum – Free curriculum for all grades
Homeschool Science with YouTube – Learn about science with these YouTube channels.
Virtual Science Labs and Dissections – No lab equipment is needed with these free virtual science labs, dissections, and simulations.
Science Websites for Homeschoolers – Learn more about science with these informative websites.
Virtual Field Trips – Explore the world, including many science topics, through virtual field trips.
Note: This post was originally published on April 20, 2020 and has been updated for accuracy and comprehensiveness.
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