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How many drops of water can you rest on one coin?

How many drops of water can you rest on one coin?

Hands-on Activities

Explore surface tension in this hands on challenge activity.

Importance Line

Importance Line

Teaching STEM

This strategy helps students think critically about ideas by ranking them on a scale.

Carillon Hydroelectric Power Station, Saint-André-d'Argenteuil, Quebec

Generating Electricity: Hydroelectric Power

STEM Explained

Learn how moving water can be used to generate electricity. This is called hydroelectric power generation.

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.

How much air do I breathe in?

How much air do I breathe in?

Hands-on Activities

Learn how to measure lung capacity and about the factors that can affect our lung capacity in this hands on activity.

Snake with open mouth

How Snake Venom Kills… and Saves Lives

STEM Explained

Snake venom can be dangerous for your circulatory system, nervous system or muscular system. But it can also be very useful in medicine.

How much of an iceberg is on top of water?

How much of an iceberg is on top of water?

Hands-on Activities

In this hands on activity find out just how much of an iceberg is below the surface. It might surprise you!

Water slides

How Surfaces Affect Motion

Lessons

Will it slide or stick? Students conduct a fair test to investigate how different solid surfaces affect the movement of an object on a ramp.

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.

How much power is generated when climbing a set of stairs?

How much power is generated when climbing a set of stairs?

Hands-on Activities

Put on your running shoes and sharpen your pencil! Investigate the mathematical connection between work and power in this hands-on activity.

Construction vehicles use hydraulics. Image © Djahan, iStockPhoto.com

Hydraulics 101

STEM Explained

Hydraulics power many of the large machines you see around you.

How can I make my own weighing scale?

How can I make my own weighing scale?

Hands-on Activities

Make a scale from simple materials and test it to measure weight.

How do movies move?

How do movies move?

Hands-on Activities

Explore the concept of persistence of vision in this hands on activity.

How can I move water with just a comb?

How can I move water with just a comb?

Hands-on Activities

Have you ever experienced static electricity? Like when you pull a wool sweater over your head in the winter? See what else static electricity can do in this hands-on activity.

How do scuba divers sink?

How do scuba divers sink?

Hands-on Activities

It’s not easy to dive deep underwater. How do divers get down deep? Learn how scuba divers manipulate density to move up and down in this hands on activity.