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Foundations of Chemistry

Hamilton Street Railway bus in downtown Hamilton, Ontario © Adam E. Moreira [CC BY-SA 3.0], Wikimedia Commons

Fueling Internal Combustion Engines

Backgrounders

Learn about the wide variety of fuels used in vehicles.

Cartoon of people cleaning teeth

How can chemistry help you take care of your teeth?

STEM Explained

What are your teeth made up of? What chemistry is at work in your mouth? Why do some people get cavities even if they brush regularly?

A melting world-shaped glacier

What is Ocean Warming and Why Does It Matter?

STEM Explained

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

What speeds up a chemical reaction?

What speeds up a chemical reaction?

Hands-on Activities

Learn about the role of yeast in this fun decomposition reaction.

What are curds and whey?

What are curds and whey?

Hands-on Activities

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

Hamilton, Ontario industrial area with Toronto skyline in the background

What are Greenhouse Gases?

Backgrounders

This backgrounder explains what greenhouse gases are and how they contribute to climate change.

What are the effects of acid rain on rocks?

What are the effects of acid rain on rocks?

Hands-on Activities

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

What happens when acids and bases mix?

What happens when acids and bases mix?

Hands-on Activities

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

What is an exothermic reaction?

What is an exothermic reaction?

Hands-on Activities

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

Soapy hands

Stupendous Suds

STEM Explained

Every time you wash your hands with soap, there are complex chemical reactions taking place.

Is there a difference between baking powder and baking soda?

Is there a difference between baking powder and baking soda?

Hands-on Activities

Explore acid-base chemical reactions that really get things bubbling in the kitchen!

illustration of a hydrogen car

The History and Uses of Hydrogen

STEM Explained

Hydrogen’s tendency towards combustion is what makes it both a dangerous chemical element and a useful energy source.

How do I construct a terrarium?

How do I construct a terrarium?

Hands-on Activities

You can make your own terrarium for growing plants!

How does rain become acidic?

How does rain become acidic?

Hands-on Activities

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

How can I stop bananas from turning brown?

How can I stop bananas from turning brown?

Hands-on Activities

Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?