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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?

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!

Jellyfish

Invertebrates: Marine

Picture Collections

8 images of some invertebrate animals such as sea anemones, coral and jellyfish that live in a marine environment

Daedulus crater on the Moon

Impact Craters

Backgrounders

Learn about how craters are formed and about some of Canada's impact craters.

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.

Condensation on the window of the Apollo 12 Lunar Module, November 1969

Humidity on Earth and on the ISS

Backgrounders

Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.

dung beetle rolling dung

How to Find a Mate When You Smell Like Dung

STEM Explained

Some dung beetles use alternative reproductive tactics to increase their chances of finding a mate. Learn what this tells us about evolution and biodiversity.

Drop tower ride

How is Lenz's Law Used in Drop Tower Rides?

STEM Explained

How do magnetic fields help you get down safely from the top of a drop tower ride? Learn how electromagnetic induction works at the amusement park.

orn ethanol plant next to corn field

How is Ethanol Made?

Backgrounders

Ethanol is a biofuel that can power a car. Learn about the enzymes, catalysts and processes like fermentation involved in ethanol production.

How does water move up a plant?

How does water move up a plant?

Hands-on Activities

Do an experiment with celery to learn about the structures that help plants take up water.

How does rain become acidic?

How does rain become acidic?

Hands-on Activities

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

Kids camping

How Do Sleeping Bags Work?

STEM Explained

How do our bodies get cold? How do sleeping bags keep us warm?