The Material World

Particle accelerators have amazing applications - from growing food to making airplanes safe.

To count tiny things like atoms and molecules, scientists use a measurement called the mole.

Learn about uses of thermal imaging as a medical imaging technology.

Learn about the history, function, uses, benefits and risks of Magnetic Resonance Imaging (MRI) as a medical imaging technology.

This backgrounder explains the potential effects of radiation on the human body.

Carbon dioxide is an important part of the air on Earth and in space. What is carbon dioxide? How is it measured? How can it affect us mentally and physically?

When thunder and lightning occur but the main form of precipitation is snow, not rain, it’s called thundersnow.

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.

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

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.