Instructional Video0:53
Curated Video

Greenhouse effect

6th - 12th
The effect caused by some atmospheric gases trapping heat close to a planet's surface.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Instructional Video6:12
NASA

How to Find a Living Planet

3rd - 11th
The more we see other planets, the more the question comes into focus: Maybe we're the weird one? Decades of observing Earth from space has informed our search for signs of habitability and life on exoplanets and even planets...
Instructional Video7:59
Curated OER

Global Warming: How Humans are Affecting Our Planet

4th - 8th
Earth's temperatures are slowly rising as a result of increased greenhouse gases being trapped. Humans contribute to this effect by burning quite a bit of fossil fuels. The danger of sea levels rising is a real threat that we need to...
Instructional Video
Minute Earth

Minute Earth: Our Atmosphere Is Escaping!

9th - 10th
Find out why the two lightest elements are the only two gases that escape Earth's atmosphere. [2:17]