Skip to main content

Unit C: Environmental Chemistry

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 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.

Aerial of Gas well Marcellus Shale Formation in northern West Virginia

What is Fracking?

STEM Explained

The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!

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 best materials to use for cleaning water?

What are the best materials to use for cleaning water?

Hands-on Activities

Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?

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.

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!

Students looking bored in class

Is There Too Much Carbon Dioxide in Your Classroom?

STEM Explained

Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?

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?

How can I write secret messages?

How can I write secret messages?

Hands-on Activities

Learn how you can write and reveal secret messages in this hands-on chemistry activity.

How can you make popcorn kernels dance?

How can you make popcorn kernels dance?

Hands-on Activities

Get your popcorn kernels dancing with this uplifting chemical reaction.

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.