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Strand C: Energy and Momentum

Hands holding a hot mug

Introduction to Heat Transfer

Backgrounders

Learn about the different ways that heat is transferred.

Space junk

Space Junk

STEM Explained

Litter isn't just a problem on Earth. When litter ends up in space, it can cause collisions and other consequences for satellites, the International Space Station and even for people on Earth!

Tennis Balls

Bouncing Objects

Picture Collections

10 images of some spherical objects such as golf balls and tennis balls that are made of different materials and used for specific purposes

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.

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.

How can you lift a marble off a table without touching it with your hands?

How can you lift a marble off a table without touching it with your hands?

Hands-on Activities

Is it magic? No - it’s physics! Use circular motion to overcome the force of gravity and amaze your family!

How does a wheelbarrow help you carry heavy loads?

How does a wheelbarrow help you carry heavy loads?

Hands-on Activities

In this hands on activity build a wheelbarrow from simple materials to explore just how useful simple machines can be!

Woodpecker on a tree

Do Woodpeckers Get Concussions?

STEM Explained

Pecking puts a lot of force on a woodpecker’s brain. But scientists think woodpecker bodies are adapted to help keep them from being injured during pecking-related collisions.

Wind turbines with energy storage system

Can You Store Electricity for Later?

STEM Explained

Sometimes, power plants make too much electricity. Energy storage technologies can help! They store the extra electricity and release it when demand goes up.

Billiard balls and a cue stick on a felt-covered table (PIRO4D, Pixabay)

Billiards and Collisions

STEM Explained

The game of billiards shows the principles of collisions, momentum & impulse, and kinetics at work!