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Material World: Organization

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.

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.

Screen capture from the TED Ed video “The genius of Mendeleev's periodic table”

The Genius of Mendeleev's Table

STEM Explained

Dmitri Mendeleev’s version of the periodic table was brilliant - find out why!

The newest chemical elements

The Newest Elements on the Periodic Table

STEM Explained

The periodic table was last updated in 2016 with four new chemical elements. What is a chemical element? What is the atomic structure of the newest chemical elements? How did they get their names?

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!

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.

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.

Katharine Scotton |  Experte-conseil en environnement, PGL Environmental Consultants

Katharine Scotton

Career Profiles

Environmental Consultant

Katharine Scotton is an Environmental Consultant for PGL Environmental Consultants.