This article explains what Earth Day is and why it was founded. It also presents criticisms of the holiday. Includes suggestions for things we can all do to take care of the Earth.

From the birth of a planet to the evolution of the human race, interactive details the 25 biggest milestones that shaped Earth's history

This resource is a place for learning all about the Earth--the Earth's layers, its history, rocks and minerals, and interesting Earth science facts and discoveries. Explore, ask questions, find information, and meet American Museum of...

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...

This video [7:21] shares fascinating video will inform you about how the Earth formed, creating mountains, oceans and more.

Take a ten question quiz on the Earth's surface.

Explore deep underground and deep in the ocean to discover what lies beneath the surface. Don't stop until the final destination: the core of the Earth.

This is a website not only on the mantle but also about all the layers of the earth.

Interactive tutorials on plate tectonics, plates and boundaries, and the Earth's structure convey the dynamism of geologic processes, such as earthquakes and volcanoes. Takes a multidimensional approach to coverage of basic geologic...

Provides a comprehensive look at the planet Earth including photos, how Earth got its name, and facts and figures about its size, seasons, moon, atmosphere, rotation, and lithosphere.

This is the story of your life on Earth. Unique interactive lets you find out how, since the date of your birth, your life has progressed. At the same time, investigate how the world around you has changed since you've been alive and how...

[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Earth science concepts for middle grades.

Bringing people together to discuss Earth's environmental problems, The Earth Institute addresses climate change, environmental degradation, poverty, disease, and sustainable use of resources.

An earth science collection where young scholars can explore earthquakes, volcanoes, and more natural phenomena. The collection uses videos and interactive activities to investigate our dynamic planet and earth systems.

[Free Registration/Login Required] What is alarming to experts about the science and the politics surrounding Earth's rapidly warming temperatures? Small groups will have conversations about global warming with the prompts provided.

See what any spot on Earth looked like millions of years ago.

Learn about the newest part of Earth, Japan's Niijima Island.

Your students will love wrapping up a solar system unit with this activity! Children make their own "Travel brochure," about earth, trying to encourage extraterrestrials to visit, by comparing our planet to theirs. This lesson plan also...

Prepared by NASA, this site provides a detailed look at the Earth's moon. The menu tabs are divided into overview, photo gallery, and facts and figures.

[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...

[Free Registration/Login Required] An informational text about working together to make the Earth a better place. A question sheet is available to help students build skills in reading comprehension.

This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.