8th Grade Integrated Science Sci-Ber Text [ Kids/Teens/Mature Teens ] - Offers tutorials that allow children to explore topics such as matter, energy, forces, machines, and the Earth. Includes pictures, fun activities, experiments, and movies. http://www.usoe.k12.ut.us/curr/science/sciber00/8th/8thintro.htm

Ask a Student Scientist [ Teens/Mature Teens ] - Interactive question posting with answers from a student scientist. http://www.omsi.edu/teachers/intelisef/QandA/index.cfm

Basic Science for Kids [ Kids/Teens/Mature Teens ] - Contains science projects and experiments for kids, along with detailed answers to science questions and unit conversions. http://www.sciencemadesimple.com/

BJ Pinchbeck Offers Science Homework Help [ Kids/Teens ] - Organized collection of links to help students find the information they need. http://school.discovery.com/homeworkhelp/bjpinchbeck/bjscience.html

MadSciNet: The 24-Hour Exploding Laboratory [ Teens/Mature Teens ] - Utilize a random knowledge generator and find out what's cooking up in a Mad Scientists' section. http://www.madsci.org/

Science Quiz Activities and Games [ Kids/Teens ] - Collection of interactive quizzes for students in grades 5-9. http://www.syvum.com/squizzes/science/

ScienceBob.com [ Kids ] - Enter the world of Science Bob to try home experiments, visit his online lab, and get answers to general science questions. http://www.sciencebob.com/

The Last Word [ Kids/Teens/Mature Teens ] - New Scientist offers simple answers to everyday physics questions such as why tin foil hurts teeth and why remote control locks won't work in some parking lots. http://www.newscientist.com/lastword.ns