Humans have only inhabited Earth for a short part of its existence. An online resource explains how scientists use clues from rocks and fossils to piece together information about Earth prior to humans. The online instruction includes...

Scholars take a journey through space with 16 eye-catching images. Along the way, learners read captions starting with the moon, then move onto asteroids, Mars, and Jupiter.

Sixteen slides showcase an average day on the job for a paleontologist, Ross MacPhee. Engaging images include world maps and real-world photographs from an archeological dig in Antarctica. A brief description accompanies each slide.

Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...

Fifteen detailed pictures and informative captions delve deep into the exploration of stars—their life cycle and importance in the universe. 

Follow along as Stella Stardust interviews the sun. A fun and informative interview provides scholars with information about the sun. 

What's the most interesting fact about a blue whale? Learners read an interview about the similarities between the Titanosaur and the blue whale displays at the American Museum of Natural History. Pupils learn not only about blue whales...

A website looks at how we know so much about Mars—telescopes, robots, and spacecraft—and the search for martian life. Following the informational text are three questions that quiz pupils about possible life on Mars. 

Teachers in search of extra resources to help educate students on Earth Day will find an abundance of worksheets, lesson plans, activities and much more from Teachnology.

The official online home of Earth Day offers many resources regarding environmental education. Includes the latest news on environmental advocacy and how to take part in Earth Day each year.

Save the world one step at a time. A fantastic tribute to Earth Day events and what students, teachers and parents can do to make a difference by going green. Learn about the various activities across the country and discover how you can...

[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...

How can you celebrate Earth Day in your classroom? This collection features several downloadable Earth Day worksheets including word searches and coloring pages. Students and teachers can plan the perfect way to recognize the environment.

This PlanetPals.com site provides the "Greatest Earth Day Pages Ever!" Includes activities, teaching aides, earth science and history, and more.

A concise site that gives the students the opportunity to learn all about how Earth Day was started.

Animated review of environmental legislation and events, produced as a commemoration, in 2010, on the forty-year anniversary of the first Earth Day. Includes a timeline of events. [4:40]

Trace the advance of the environmental movement from 1948 through the 1980s. Read about the legislation promoting a healthy environment passed under both Democratic and Republican presidents.

Kids learn about Earth Day. History and fun facts about this holiday that celebrates nature.

A comprehensive environmental education website full of ideas for saving the Earth, largely contributed by children. Lots of ideas for Earth Day or for an eco-kids club, and many resources are helpful for student research. A variety of...

This site is loaded with science activities for elementary students. There are role plays, recipes, dances, writing exercises and craft ideas. You can also raise you own luna moths, praying mantids, ladybugs or carnivorous plants. Lots...

Every year on June 5th, people around the world celebrate World Environment Day. Learn about the history of this eco-conscious event and how you can share with others the activities you participate in for this important day.

Misconceptions about the causes of seasons and day and night are common through all ages. Use the information on this site to help your students understand these concepts. Included are links to many resources and lesson plans for...

Join Audrey on her learning adventure as she discovers how the Earth's rotation causes day and night.

This excellent resource provided by Digital History contains a wealth of information on the environmental movement of the 1960s in America, as well as the rest of the century.