The Material World

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

Explore the greenhouse effect and learn about the impacts it can have on the environment.

Balls go up and down. But what makes for a good ball? Find out by exploring which materials bounce.

Things are heating up! Explore the temperature change that occurs in an exothermic reaction and the role of catalysts is this chemistry activity.

It starts with curds and whey! Explore the basic chemistry behind making cheese in this hands on activity.

Learn about the different types of radiation, how they interact with atoms and how they can affect you.

Learn about the chemical reaction that happens between acid rain and limestone.

These two “point-counterpoint” videos provide arguments for and against using nuclear energy to generate electricity.

Have fun discovering what magnets can pick up in this hands on activity.

Learn about acid-base reactions. Make you own pH indicator and test it with different solutions.

Could we use radio waves to charge electrical technologies in the future?

Can your body be a source of electricity generation? Maybe, if you understand heat transfer. Explore this concept through a 2013 invention by a Canadian teen.

6 images of some instruments such as clinical and baking thermometers that have been designed to measure temperature for specific purposes

The telegraph works by transmitting signals through an electrical circuit. Learn more and print your own telegraph key using this 3d model of a real artefact.

Temperature is an important part of life on Earth and life in space. This backgrounder explains what temperature is, how it affects people and how it is controlled on the International Space Station.