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A Metomorphosis in Learning:
Life Cycles

How does that caterpillar become a butterfly and can that little egg really become a frog? Exploring life cycles can be an amazing adventure.

Probing Questions

Study soil and habitats using scientific probes in this outdoor adventure. Worksheets and resources are provided.


Access Excellence

Don't miss this site. It is by far one of the richest sources of biology and biotechnology material on the Web. You can actively discuss a variety of subjects through online seminars; join a teacher's discussion group; read the latest news about science discoveries; or browse the hundreds of classroom activities written by teachers.

Amazing Environmental Organization Web Directory

Massive links to environmental topics such as recycling, disasters, and pollution.

Appalachian Trail

he Appalachian Trail (affectionately referred to as the AT) first opened as a continuous trail in 1937. It is marked by iconic white blazes (one about every 70 feet). The actual length changes from year to year as the trail shifts and detours are added or removed. Each year, thousands attempt to hike the entire trail. Of those that finish, it takes an average of 165 days. The AT was the first trail to be named a National Scenic Trail by the National Trails System Act in 1968. Rights of way and government ownership protect more than 99 percent of the trail. The AT is maintained by over 4,000 volunteers.

American Museum of Natural History

 Who are the people behind the bones? What contributions did they make to paleontology. Personalities in Paleontology showcases 10 leading individuals complete with a picture and short biography. Ever wonder what the environment would look like during geologic history? An artist's depiction in the Timelines section lets you imagine a scene from a specific period and explains the habitat. How should T.rex be mounted for display? To find the current theory, click on six new halls. Vertebrate evolution is illustrated with numerous drawings.

Aurora Page

Information and images are posted about the Northern Lights.

Bill Beaty's Amateur Science

List of links to lots of hobbies and science topics. Itís a great place to look for hands-on activities.

Bill Nye the Science Guy

Based on the popular PBS television show, this upbeat Web site is designed to interest children in the world of science like Mr. Wizard a generation ago. Discover fast facts and experiments from the pull-down menus in the U-NYE-Verse episode guide.


A highly interactive site that is lots of fun. Content is based on the needs of its users and the National Science Education Standards. At present, has over 80 original animated movies covering Health, Science, and Technology topics. Subscription required.

BrainPop Jr.

Make the BrainPOP Jr. Movie of the Week app part of your day in the classroom, at home or on the go!

Cells Alive

Cool animations of how cells work.

Common Cold

This is companion site to Cells Alive. You will find great illustrations and explanations about the causes of the common cold, symptoms, and treatments. .

Creativity Pool

A free pool of global innovation and future inventions. People can search the database for creative inspiration, or donate new ideas and be rewarded.

Dinosaurs Facts and Fiction

From a scientific viewpoint the study of dinosaurs is important both for understanding the causes of past major extinctions of land animals and for understanding the changes in biological diversity caused by previous geological and climatic changes of the Earth. These changes are still occurring today. A wealth of new information about dinosaurs has been learned over the past 30 years, and science's old ideas of dinosaurs as slow, clumsy beasts have been totally turned around. This pamphlet contains answers to some frequently asked questions about dinosaurs, with current ideas and evidence to correct some long-lived popular misconceptions. Although much has been discovered recently about dinosaurs, there is still a great deal more to learn about our planet and its ancient inhabitants.

Dinosauria - University of California at Berkeley

One of the best places to start for finding general information about dinosaurs. Learn all about current research in Dinosbuzz, a newsletter that gives a thorough explanation of the theories on extinction, the relationship with birds, and the differences between fact and fiction of dinosaurs portrayed in the movies. To better understand the groups of dinosaurs, read dinosaur diversity and dispelling myths. Join Sam Welles, professor emeritus, on a narrated tour of his discovery of Dilophosaurus beginning in the summer of 1942. Find out why the name changed after several years of investigation and how he viewed Dilophosaurus as a movie star in Jurassic Park. In addition the site is searchable, has a glossary of terms, and links to the geologic time machine.


Several field guides are presented for observing and identifying plants and animals sponsered by the National Wildlife Federation.

Endangered Species

One of the best sites for facts on endangered species.

Energy Kid's Page

The Energy Information Administration created this kid's page. Timelines are presented on each type of fuel such as coal, electricity, and geothermal. In addition there are short illustrated biographies about famous people like Thomas Edison, Marie Curie, and Issac Newton.

Fall Colors in Missouri

Answer to why leaves change color.

Five Senses

Detailed Lesson Plan.

Fossil Horse Museum

Follow the timeline of fossil horses over 55 million years from Hyracotherium to Equus.

Froggy Page

Fun page on frogs - sounds, pictures, and information.

Hands On the Land

This site provides a network of field classrooms linking students, teachers, and parents to public lands. News, activities, and a gloosary are some of the resources that can be found.

Holiday Lectures

A "virtual laboratory," scientific animations, online exhibits, teacher resources and an "ask a scientist" section are among the features of the latest Holiday Lectures on Science Web site from the Howard Hughes Medical Institute.

Human Anatomy Online

An interactive site that allows you to explore the human body. Desciptions are retrieved by clicking on specific points of the body systems. Middle and high school students will gain the most from this site.

Insect Safari - Orkin

Play Name that Bug, color insects, and search the pest library. Download and print the cool booklet that contains lots of activities.

Jefferson Lab

Hands-on science activities abound on this site produced by the Thomas Jefferson National Accelerator Facility. Students will learn about electrostatics, magnets, and insulation. A series of games will quiz students on their knowledge of the periodic table of elements and other science information.


Lots of materials for educators and kids. The kids area is divided by grade level and provides lessons, video introductions of concepts, and activities.

National Science Teachers Association

Organization news and standards for science teachers.

Neuroscience for Kids

Lots of graphics and animations that explain the nervous system make this a fascinating site for students.


At the American Museum of Natural History, kids can study several ologise from biolog to paleontology. There are games, stuff to do away from the computer, and online explorations.

Optics for Kids

Illustrated article on how lenses work.

Paper Dinosaurs 1824 - 1969

Highlighting this extraordinary exhibit is original source material from the collections of the Linda Hall Library, Kansas City, Missouri. The curators have gathered over 80 printed works about dinosaur discoveries and lore such as why one scientist called T.rex Teddysaurus. You will learn about the pioneers, read their findings, and view over 136 impressive dinosaur drawings and images.

Premís Fossil Gallery or Beneath the Calamites Tree

All of your aspiring rock hounds will want to read Fossil Hunting FAQ at Prem's Fossil Gallery. This amateur collector has assembled a topnotch display of trilobites, graphtolites, and fossil plants. Another good source for tips is the Fossil Hunter. Information on collecting locations, a field trip checklist, rules, and safety is supplied.

Sea World Busch Gardens

Animal Information Database.


This is a gateway to many of the servers from the Smithsonian, including the National Air & Space Museum, Natural History Web, and the Photo Server of images from the museum collections.

Space Calendar

Included are space-related activities and anniversaries for the coming year. Launch dates are subject to change. Anniversary dates are listed in five-year increments. There are links to pictures and text about the event.

Tools for Learning About Birds - Patuxent Wildlife Research Center

Bird identification, sound recordings of their songs, and other information.

Volcano World

Current and historical information about volcanoes. Lots of photographs.

Welcome to the Planets

Welcome to the Planets contains planet profiles, pictures, and descriptions of the space vehicles that were used in their exploration. This is a good resource for students interested in this topic.

Why Files

Every two weeks a new article is posted that focuses on current science topics in the news. You can use these with students to generate discussions in the classroom. The files are archived.

Who took a bite out of the candy? Sticky fingers have been found on the broken aquarium glass. Wet footprints lead to the open window. What is that powdery substance next to the broken piggy bank? Answering these questions is what forensic science is all about. Learn how to be a crime solver by exploring the world of the forensic scientist. Then, solve The Case of the Barefoot Burglar.

Updated July 19, 2022
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