Get to know one of the most famous women in science, Marie Curie. Learn more about her exciting discoveries and the perseverance it took for her to get there.

Interdisciplinary multimedia course, in thirteen units, on environmental science. Each unit encompasses a thirty-minute video, an accompanying textbook chapter, and an array of visuals and animations. With five interactive labs, a...

Ever wonder what the weather is like on other planets besides Earth? This resource explores the extreme weather that occurs on other planets.

Saturn is a unique planet because of the many beautiful rings surrounding it. How are all of those rings made? Why is each ring unique?

Chemicals from the Earth's atmosphere are making their way down to the planet. Not in spaceships, but in rain. The acid rain can infiltrate ground water, lakes, and streams. How does acid rain affect aquatic ecosystems?

Learn about the lives of stars, and how stars and planets form. The Interactive activity, 'Planet Families' requires Adobe Flash and cannot be launched.

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.

From the "Journey to Planet Earth" series, PBS takes a look at the world's exploding urban population. Includes video clips and educational resources.

The innovative resource examines images of the Sun, Moon, Pluto, and all eight planets in the Solar System. Learners calculate the diameter of each object and rank the objects in order of size. The activity has an interactive online...

A website featuring a collection of images from NASA. Collection includes images of planets, comets, nebulae, galaxies, stars, sun, and spacecrafts.

This set of activities teaches students about the big picture of science using Mars as an example: how to collect data, use evidence, and look at models.

Read about the vital statistics, composition, and other facts about our home planet, Earth.

How much would you weigh on Mars? Learn this information and other cool facts about the red planet, Mars.

A university-level course that examines the atmospheres and interiors of extrasolar planets, or exoplanets. The course also looks at the search for planets that could support life. Includes lecture notes and assignments.

Our home, Earth, is a living planet. Earthquakes and volcanic eruptions are proof that the geological forces that shaped our planet and created the land masses are ongoing. An amazing example of geologic activity that is less damaging is...

With this resource, users join investigators in the exploration of humans' use of and dependence on the many energy resources. Learn about new technologies such as carbon capture and sequestration as an alternative to reduce our carbon...

Everything on our planet is linked by a giant recycling system called the biogeochemical cycle. How our planet recycles and reuses everything we need to support life is explained by making a miniature biosphere in this lab. You will also...

A university-level course that looks at the structure of the solar system, the sun, the planets, and other bodies in space. Includes course readings, assignments, and study notes.

Did you know that ancient astronomers could measure the distance to other stars? They could also distinguish between stars and planets. How could they do that without modern technology of telescopes? See if you can discover the link...

Earth's atmosphere, the ocean of air that blankets the planet, is mostly nitrogen and oxygen, with small amounts of other gases. How much oxygen is present in air at sea level? Is air high up in the Appalachians or Rockies? Atop Mount...

On a rainy day, do you ever wonder what the weather is like on the other side of the planet? Different regions around the globe can have very different seasonal weather patterns. In this experiment, you can test if these seasonal...

How do astronomers collect stardust? They design and build satellites that are launched into space to collect particles on specially designed panels. Satellites can be sent to orbit around an object of interest: a planet, moon, or comet....

Pizza, milk shakes, and ice cream sundaes all contain dairy products, therefore they cannot be eaten by the majority of people around the world. Dairy products contain the sugar molecule lactose, and the majority of people on the planet...

If you live in a big city or urban area it is hard to see many stars at night. In most urban areas only the most brilliant stars, planets and the moon can be seen. This is because of something called light pollution which is the...