A part of the PBS series "Journey to Planet Earth," this section examines "how severe environmental problems can lead to political crises and increased hostilities around the world." Includes video clips and educational resources.

This online companion to the PBS series "Journey to Planet Earth: Hot Zones" explores how changes in ecosystems can lead to increased risk and transmission of infectious diseases. Highlights include video clips and educational resources.

Part of the PBS series "Journey to Planet Earth," this site explores the "fundamental problem facing today's farmer: how to feed the world's growing population without endangering our environment." Includes video and educational resources.

A part of the PBS series "Journey to Planet Earth," this section explores the world's grasslands, some of which are in environmental danger. Includes video and educational resources.

Collection of images, with vocalized explanatory captions, of the planets acquired by NASA as part of its exploratory space programs.

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.

The BBC provides a general overview of the planet Earth. Content includes statistical information, a focus on the four seasons, moon information, and more.

Students will study planets and moons in our solar system by working online and other resources. This lesson has students working together to generate a spreadsheet of data found. Students will use this information to describe why Earth...

Journey to four major river systems - the Mississippi, Amazon, Jordan and Mekong rivers - and take a look at the challenges happening to the people whose livelihood hinges around them.

Images of specific locations on the surface of the Earth, taken from space, along with descriptive captions.

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

Facts about the Earth including its orbit, its atmosphere, and its landforms. Includes a discussion question on seasons, with facts about them, and the answer. A linked page covers similar material in a "Level 2" version, and has a...

[Free Registration/Login may be required to access all resource tools.] The balance of heat entering and exiting Earth's atmosphere.

[Free Registration/Login Required] This informational text passage shares information about the history of the earth and its landforms. This passage is a stand-alone curricular piece that reinforces essential reading skills and...

[Free Registration/Login Required] An informational text about the layers of the Earth and a place near the Canary Islands where there is a hole in the crust. A question sheet is available to help students build skills in reading...

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...

Do you know what a solar eclipse is? Or how about a galaxy? Space Place has the answers to all your questions about space! Site includes information to explore about planets, satellites, moons, and much more. Also on the website are...

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.

Compare the masses of planets in this interactive animation. Simply pile a number of Earths on one side of the scale, to balance with the mass of one Jupiter. Then try this with all the planets.

This tutorial looks at the hydrosphere, that component of the earth that is liquid water such as rivers, streams, oceans, and so on.

This introduction to the atmosphere details the important properties of the atmosphere: temperature, pressure, and humidity.

Practice your mapping skills with Build Planet Earth! This animated 3D globe challenges players to locate the Poles, continents, countries, and cities. Colorful graphics and sound effects as well as a teacher's lesson plan are included.

A series of seven instructional, hour-long videos presenting Earth-science topics such as plate tectonics, oceans, climate changes, natural resources, the Sun, and the future of our planet. Closed captioning option provided for each video.