General
Life Science
Insects: Start your own insect collection; Make an awesome insect collection
Birds: Cornell Laboratory of Ornithology Education
Botany: Exploring Creation with Botany – includes many great hands-on projects; Plant identification app
Tracking: Nature Tracking
Ecology: Extraordinary Ecosystems
Astronomy
Physical Science
NASA Beginner’s Guide to Aeronautics
Earth Science
Northwest Treasures – Homeschool Geology Curricula, Rock, Mineral, & Fossil Kits
Chemistry
Chemical Heritage Foundation: history of chemistry, biographies of important chemistry pioneers, history of chemical instruments and technology
LearnChemistry: Simulations, periodic table, apps, problem solving tutor, and more
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