General
Multnomah County Library Homework Center: Multnomah County Library in Oregon has links to all kinds of homework help websites on their homework center page.
Math
Webmath: Webmath lets you enter a specific math problem and shows you how to get the answer.
Math.com: Math.com includes help with basic math, algebra, geometry, trigonometry, and calculus.
English
Purdue Online Writing Lab: This site contains resources for students in grades 7-12 on topics like writing research papers and avoiding plagiarism.
GrammarBook.com: Not sure which punctuation mark to use? This site offers help with the rules of punctuation, grammar, capitalization, and more.
Science
Science Buddies: You’ll find ideas for science fair projects here as well as information about careers in science.
Whole Frog Project: This site includes an award-winning virtual frog dissection kit.
Cells Alive! Try out the cell puzzles and cell cams!