![How can you make popcorn kernels dance?](/sites/default/files/2019-08/how-can-you-make-popcorn-kernels-dance.jpg)
How can you make popcorn kernels dance?
Hands-on Activities
Get your popcorn kernels dancing with this uplifting chemical reaction.
![How do vacuum cleaners work?](/sites/default/files/2019-08/how-do-vacuum-cleaners-work.jpg)
How do vacuum cleaners work?
Hands-on Activities
Discover the type of pressure that is used in a vacuum cleaner.
![How can you see underwater?](/sites/default/files/2019-08/how-can-you-see-underwater.jpg)
How can you see underwater?
Hands-on Activities
Explore how we see things through water.
![Colourful sunglasses](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/colourful_sunglasses.jpg?itok=mZ_pixQ-)
How Do We See Colour?
STEM Explained
How does the human eye see visible light as colour? And why do some people see more colours than others?
![Image © exdez, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Image%2C%2C.jpg?itok=ywUpwGCd)
How Can Your Doctor Use the Data in You?
STEM Explained
Scientists are training artificial intelligence to diagnose injuries using x-rays and other medical imagery of you (and millions of others). What improvements and other changes might this bring to the health care system?
![Bird near a wind farm](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/western-kingbird-and-wind-turbine-farm.jpg?itok=o-qeejDW)
How do Wind Farms Affect Birds and Bats?
STEM Explained
Wind energy generates a lot of electricity in Canada. But wind turbines can be dangerous for wildlife.
![Georgetown, Australia](/sites/default/files/styles/resource_card_image_360x300_/public/2022-09/1024px-Georgetown-gulf-savannah-outback-queensland-australia.jpg?itok=_9e1IR1-)
How Did a Piece of Canada End Up in Australia?
STEM Explained
Learn how geologists used radioactive dating to uncover geology shared by both Canada and Australia.
![How does a wheelbarrow help you carry heavy loads?](/sites/default/files/2019-08/how-does-a-wheelbarrow-help-you-carry-heavy-loads.jpg)
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!
![How can I make an egg float?](/sites/default/files/2019-08/how-can-i-make-an-egg-float.jpg)
How can I make an egg float?
Hands-on Activities
In this challenge activity find out if you can get an egg to float. Learn how the density of matter affects the buoyancy of objects.
![Dinosaur footprint fossil](/sites/default/files/2019-08/313px-Gigandipus.jpg)
How did dinosaurs leave fossils behind?
Hands-on Activities
Using a toy dinosaur and some plaster of Paris, learn how dinosaur footprints could become fossils.
![How does detergent work?](/sites/default/files/2019-08/how-does-detergent-work.jpg)
How does detergent work?
Hands-on Activities
Become a pro at washing dishes! Learn how the chemical structure of detergent makes it perfect for attracting grease and grime.
![How can I make glue?](/sites/default/files/2019-08/how-can-i-make-glue.jpg)
How can I make glue?
Hands-on Activities
Discover how to use some common kitchen ingredients to make glue.
![Above: Tires on a Boeing 737 (Wikimedia Commons/Politikaner)](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/How%20do%20an%20airplane%E2%80%99s%20tires%20help%20it%20land%20safely.jpg?itok=MQ8JwY5I)
How do an Airplane's Tires Help It Land Safely?
STEM Explained
Manufacturing and engineering airplane tires is important work! Learn how airplane tires keep the aircraft safe during takeoff and landing.
![How does nuclear power work?](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Pickering_nuclear_power_generating_station.jpg?itok=GnR2V5ZK)
Generating Electricity: Nuclear Energy
STEM Explained
Learn how electricity is generated at a nuclear power generating station.
![How can I make my own weighing scale?](/sites/default/files/2019-08/how-can-i-make-my-own-weighing-scale.jpg)
How can I make my own weighing scale?
Hands-on Activities
Make a scale from simple materials and test it to measure weight.