Free Science

Windows to the Universe (K - 12)
Free online tutorials, activities, coloring pages, etc. on Earth and Space science, includes art, poetry and myths related to the sun and planets

Math/Science Nucleus (K-12)
Science curriculum, includes lesson plans, online animated storybooks, slide shows

Otter's Homeschool Science Curriculum
Combines multiple ages, use "living books" and lots of hands on activities

How To Teach Science
Lessons and materials

Lesson Pathways (K-5)
36 weeks of lessons for each grade

McGraw Hill Science Workbooks

A Book of Natural History
Online book

The Elements of Geology (7th-10th)

Answers in Genesis (7th-12th)
Online Science books

Newton's Apple
Videos

Stellarium
A planetarium for your computer

Kid's Science Experiments

Steve Spangler Science Experiments

Science Bob Experiments

Virtual Chemistry

Updated 6/27/12