Students build model caverns and bury them in a tray of sand. They test the models by dropping balls onto them to simulate an asteroid hitting the Earth. By molding papier-mache or clay around balloons (to form domes), or around small...

Earth is the only place we have found life so far. The following tutorial provides a unique look into the characteristics of life.

Explore the biosphere, zoom in on some unique ecosystems, and learn how activity in the Solar System and plate tectonics can affect the climate and life on the planet.

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...

Discusses features of the unique ecoregion, the Aleutian Islands tundra. Covers wildlife, threats to preservation, and conservation initiatives.(Updated August 26, 2012)

This is the first lesson in a series of learning modules on the topic of climate change. It explores Earth's unique climate and atmosphere, regional climate differences, and temporal climate differences. Includes comprehension questions...

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...

Get the facts about seabirds. This group of birds makes up about three percent of the various species, even though two-thirds of the Earth is covered in water. Learn some unique facts and characteristics of seabirds. Also included in...

This lesson plan is an introduction to Earth's climate and covers key principles regarding Earth's unique climate, atmosphere, and regional and temporal climate differences. Students will gain an understanding of how the weather and...

A really cool site showing Satellite (Landsat 7) images of unique geographical and meteorological phenomena. Images show cloud formations to rainforest devastation.

In the States of Matter module, students further explore the concept that anything on earth that has mass and takes up space is matter. This exercise introduces students to solids, liquids and gases, the three most common states of...

Explore water's unique properties in the activities here. Includes ideas for starting a chemistry club, ideas for Earth Day, articles, and videos.

Students are introduced to the fabulous planet on which they live. Even though we spend our entire lives on Earth, we still do not always understand how it fits into the rest of the solar system. Students learn about the Earth's position...

By understanding cultural differences, students will become more excepting of others and will have a better understanding of the world around them. After completing this unit, students will better understand why each person is unique and...

United States Naval Observatory is a unique observatory run by the Navy. It does some of the grunt work of astronomy -- keeping accurate time, determining positions of stars (astrometry), etc. They are responsible for publishing the...

This site is an interesting article about Lake Baikal in Russia. This unique lake is helping scientists to learn more about the patterns of ecological change in the world and about the history of the world.

The history of Jericho is rich and complex, punctuated with the same parade of triumphs and tragedies that so many other ancient cities have experienced. But Jericho's status as the most ancient city on Earth makes it unique. This...

[Free Registration/Login Required] Explore the lives of children from different countries around the world through the exciting photo stories. Particularly good is Wake up World.

This is the seventh of nine lessons from a student learning module called "Visualizing and Understanding the Science of Climate Change." This lesson addresses climate feedback loops and how these loops help drive and regulate Earth's...

This is the seventh lesson in a series of learning modules on the topic of climate change. In this lesson, you will learn how several important feedback loops help drive and regulate earth's unique climate system and affect climate...

Macquarie Island (34 km long x 5 km wide) is an oceanic island in the Southern Ocean, lying 1,500 km south-east of Tasmania and approximately halfway between Australia and the Antarctic continent. The island is the exposed crest of the...

This lesson introduces learners to the space environment. It covers the major differences between the environment on Earth and that of outer space and the engineering challenges that arise because of these discrepancies. In order to...