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Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Latest news and features on science issues that matter including earth, environment, and space. Get your science news from the most trusted source!

Enter the world of Science Bob to try lots of home experiments, watch experiment videos, and get science fair ideas.

Discovery Channel online lets you explore science, history, space, tech, sharks, & more, with videos & news, plus exclusives on your favorite TV shows.

Find hands-on science supplies & lab tools for Chemistry, Biology, and more. Grades K-12 & college. Microscopes, beakers...

Free Topic Selection Wizard, science fair project ideas, step by step how to do a science fair project, Ask an Expert discussion board, and science fair tips for success.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

MWM (materialsworldmodules.org)- Materials World Modules and science project activity kits: an NSF-funded inquiry-based science and technology educational program based at Northwestern University.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.