Games and quizzes for learning biology. Over 10 types of activities to choose from, including matching games, flash cards, hangman, trivia games, and quizzes.

Online activities for learning biology, including animated cartoons, an evolution simulation laboratory, and drag-and-drop quizzes.

Online activities, labs and tutorials. Site available in Spanish.

Games, music, brainteasers, and other activities that introduce children to the impact of the environment on health.

Fun and interactive site to help kids appreciate science. Why are snakes like lizards, and monkeys like moose? Find out here.

Text, interactive activities, games, and links about the nervous system. Users may make neuroscience postcards to send to their friends.

A Natural Science reference site for middle school students. Includes topic chapters, facts and figures, questions and quizzes. Quick search and index search available, as well as an Internet guide.

Offers news about plants, animals, and other life science issues. Also includes pop quizzes, and pictures. Site is available in Spanish.

Describes microbiology, the rain forest and the possibility of extraterrestrial life. Also in French, German, and Spanish.

Links to information about each of the kingdoms and a glossary of terms.