Skip to main content

Unit A: Energy and Matter in Chemical Change

How does rain become acidic?

How does rain become acidic?

Hands-on Activities

Learn how to make a pH indicator and test water samples.

Woman having a panic attack

Chemical Equilibrium and Panic Attacks

STEM Explained

Panic attacks are scary and they upset your body’s chemical equilibrium. Learn what happens to acids & bases in your circulatory system during a panic attack.

Opening can of pop

The Chemistry of Pop

STEM Explained

There’s a lot of cool chemistry in a can of pop! Learn how solubility, chemical equilibrium, acids & bases and gas laws work in some of your favourite drinks.

Close-up of an amethyst geode

What is a Crystal?

STEM Explained

Learn what makes a crystal a crystal.