Discovery Channel Online 
Discovery Channel's online site offers many items that are useful in teaching various subjects. 
Discovery Channel School 
Discovery Channel's school site has video clips appropriate for lessons in science, social studies, and the humanities. You will also find lesson plans, a TV calendar, bulletin board discussions, keypal projects with a list of schools that have participated, technical help, an online store, spotlight schools on the web, and more. 
Education Place
Houghton Mifflin's Eduplace has a variety of educational activities. A search tool allows searching by subject and grade level. 
Global School House  Global School House links students and teachers around the world in projects designed by educators. 
Scholastic Network  The Scholastic Network has a variety of activities and projects for students from elementary through middle school age. 

LANGUAGE ARTS
Choosing from the many sites is difficult, but students and teachers like these sites. 
Author Links  Links to pages about authors of books for young adults. 
Children's Storybooks Online  Children's books online with puzzles and more. 
18 Highly Recommended Books for Girls  Reviews of books for girls between the ages of 3-14. 
Crayola  Poetry and story selections selected and illustrated by Crayola. 
Folktales From Around the World  Folktales arranged by country. 
Gary Harbo's page  Information about books and images to download. Instructions on how to draw a different cartoon character is featured each month. 
Jan Brett's Homepage  Jan Brett's interesting page contains information about her books, an e-mail link, activities, postcards, a learn to draw video, coloring pages, images to download, and more! 
Kidz Page  This site features Critter ABCs, poetry written by children, and other poets. 
Poetry for Kids  Literature site for kids by Ken Nesbitt. Read and rate poetry, browse information about poetry books, enter the limerick contest, and find links to other children's poets on the web. 
Poetry Pals:K12  Site for students in grades K-12 to read poems submitted by students. 
 

MATHEMATICS
Ask Dr. Math  Submit your own question to Dr. Math or search the archives of questions by others. 
Click on the Bricks  An interactive site to help students learn multiplication. 
Buying My First Car  Online lessons about buying a car developed for grade levels 5-8 and grades 9-12 by two California teachers. There is teacher to teacher information from the developers, teacher to students guides, and worksheets. 
Flashcards for Kids!  This interactive page was set up to help students learn math facts on the internet. 
Good News Bears  A Stock Market learning project for middle school students and their teachers. 
Explorer  "The Explorer is a collection of educational resources (instructional software, lab activities, lesson plans, student created materials ...) for K-12 mathematics and science education." 
PBS Math   Math resources for teachers of students in preschool through high school. 

SCIENCE

General Science
Ask a Scientist  Yahooligans list of links to scientists who will answer questions on a variety of topics. 
General Earth Science Information  Links to several science sites. 
Nye Labs Online  A site from the developers of the popular TV show. There are a variety of activities on this interesting page. 
PBS Science Line  Public Broadcasting System's, SCIENCE LINE features: a schedule a broadcasting events, spotlights science links, gives a list of science related sources, and provides a question and answer section. 
Why Files  The Why Files, Science Behind the News, is funded by the National Institute for Science Education and published and maintained by the University of Wisconsin-Madison. 
You Can With Beakman and Jax  Explore interactive demos, find the answers to 50 questions, and have fun with Beakman and Jax at their award winning site. 

Biological & Animal Sites

 Cells Alive  Quicktime movies about microorganisms. 
Electronic Zoo  Clicking on an animal at this site gives you a list of related sites. Information about caring for pets is available also. 
Endangered Species  Endangered and extinct species sorted by region, group, and country. There are images and facts pages. You can also find out about laws and treaties pertaining to this subject. 
The Heart: An Online Exploration  Pictures, sounds, and information about the heart. 
Jason's Snakes and Reptiles  Site designed by a student contains valuable links to snakes and reptiles. 
Neuroscience for Kids  This home page has been created for all students and teachers who would like to learn more about the nervous system. The activities and experiments help students learn about the brain and spinal column. 
Seaworld's Animal Site  Pictures and information about animals. 
 

Chemistry

Periodic Table of Elements  The Periodic Table of Elements and related information. 
Periodic Table of Elements  Click on an element and learn more about it. The table can be printed. 
 
 

Earth Science
Cool Earth Science Sites
A list of sites compiled by an earth science educator. 

Earth Resources 
Links to information about earthquakes, landforms, wetlands and more. 

Environmental Facts
Environmental Facts for students. This page also has links to lesson plans and information for teachers. 

Intellicast
Details about the weather anywhere in the world. 

Kids as Global Scientists
The One Sky Many Voices weather projects invite student participation. Find out information about past, current, and upcoming projects. 

Oceans  NASA's site 
about oceans provides valuable information and links to other pages. 

Secrets of the Ocean Realm  PBS site about oceans and sea dwellers. 

Tornado Project Online  Lots of information about tornadoes including information about tornado tours. 

US Geographical Survey Learning Web  A multitude of resources for learning about earth science. Includes lesson plans. 

Volcanoes-Can We Predict Them?  Informative site about volcanoes with links to other sites. 

Volcano Observatory Home Page  If you are interested in volancoes, visit this site. 

Volcano World Starting Points  Links to information about volcanoes.

World Weather  View weather maps of any region of the world. 

Solar System & Space
NASA Homepage  NASA's main homepage provides links to the other NASA pages. This is a not to be missed site for science students and educators. 
Mission to Mars  Create a free account and explore Mars. The teacher's guide provides ideas on using the site with a class. 
Space Blast  A very good list of links to sites about space. This site says, "Make a scale model of the Solar 
Walk the Solar System  System and learn the REAL definition of "space." Calculations are automatically done for you. This would be a great science project. 
Welcome to the Planets  NASA's collection of their best images of the planets.