- Beginnings Publishing House - Rainbow Science - Homeschool science curriculum for junior high students written by Ph-D level scientists that are also homeschool parents.
- Exploration Education Science Curriculum - Exploration Education offers physical science curriculum with hands-on projects and experiments for K12.
- Great Science Adventures - K-8 science curriculum.
- Home Training Tools - Provides science fair projects and information, microscopes, curriculum, and related resources. From a Christian perspective.
- Homerschool.com - The leader in I Cubed Learning - Online Science Resources - Materials needed to teach and learn science using the power of the internet.
- Homeschool Science Lessons - 150 online lessons in life science, earth science, chemistry, and physics available for purchase.
- Homeschooling Science Fun - Articles and worksheets for the homeschooler.
- Living Learning Books - Homeschool science curriculum and activity guides for a classical approach to education.
- Safari Search Animal Classification System - Teaches your child to classify animals. Curriculum helps fulfill science requirements.
- Science for Homeschoolers - Provides ideas and resources.
- Science for Today and Tomorrow, Inc. - K - 6 hands-on science teaching system.
- Science in a Nutshell - Science unit study kits for grades 2 through 6. Available topics include Earth Works, Electricity and Magnetism, The Human Body, Simple Machines, Space Science, Water World, and Living Things.
- The Young Scientists Club - Subscription science curriculum developed by Harvard graduates for children ages 4-8. Children receive personalized science kits including lessons and materials.
