These sites might be helpful with your homework:

Kids.gov
Federal government sponsored directory of resources appropriate for kids, arranged according to grade level and educational subject

Fact Monster: Online Almanac, Dictionary, Encyclopedia, and Homework Help
A multi-purpose reference and general knowledge site from Information Please

A Maths Dictionary for Kids
Dictionary of mathematical terms also features interactive activities & tools

Cool Math 4 kids
Math games, puzzles, lessons, math, art, & more

Writing Fun
Demonstrates writing exercises used in schools and offers printable & downloadable examples

KidsHealth
Nemours Foundation's Center for Children's Health Media site that includes sections on How the Body Works, Body & Mind, a medical dictionary, & other health information aimed at children

Free Puzzlemaker
Create wordsearch puzzles, math puzzles, hidden messages, & more

Massachusetts Comprehensive Assessment System (MCAS)
Resources on the MCAS test including sample questions and breakdown of the different components

HomeworkSpot
A comprehensive site that includes a general reference section, starters for specific homework questions, topical directories according to grade level, & newsworthy and fun exhibits

Quiz Hub
Homework help, homework-related quizzes, practice tests, & reference materials

KidSpace @ipl2
A subject guide to librarian selected web resources for kids

HowStuffWorks
Explanations of everyday phenomena

For Kids and Families
A selection of Library of Congress resources of interest to kids and families