What's in a Rainbow?
STEM Explained
Rainbows are beautiful examples of optics in nature. We see them thanks to the reflection and refraction of visible light and water.
What is the Water Cycle?
Lessons
Students develop the skills of observing and recording observations as they explore how the water cycle works.
Who Created the Electronic Synthesizer?
STEM Explained
A Canadian researcher built the first voltage-controlled synthesizer in the 1940s.
What is immiscibility?
Hands-on Activities
Creating mixture of liquids can be very useful, but why do some liquids not mix well? Learn what causes liquids to be immiscible.
Which Fastener is Best?
Lessons
Students will learn about the different types of fasteners to investigate which fastener is best for a particular material or job and why.
What is in blood?
Hands-on Activities
Make a model of blood and learn about the function of each of the parts that makes up blood.
What is the best way to clean up an oil spill?
Hands-on Activities
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.
What is the Greenhouse Effect?
Hands-on Activities
Explore the greenhouse effect and learn about the impacts it can have on the environment.
What is white light?
Hands-on Activities
Find out what happens if you spin the colours of the rainbow in this hands-on activity.
What is your weight on another planet?
Hands-on Activities
Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.
What are the Pros and Cons of Ethanol Biofuel?
STEM Explained
Biofuels like ethanol might help fight climate change. But they can contribute to food insecurity and greenhouse gases in ways that might surprise you.
What are the Pros and Cons of Nuclear Energy?
STEM Explained
These two “point-counterpoint” videos provide arguments for and against using nuclear energy to generate electricity.
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 If You Could Charge Your Phone Using Radio Waves?
STEM Explained
Could we use radio waves to charge electrical technologies in the future?
What are Greenhouse Gases?
Backgrounders
This backgrounder explains what greenhouse gases are and how they contribute to climate change.