![Medical image of the brain using Technetium-99m](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/brain_scan-te-99.jpg?itok=zvUZojUo)
Innovations in Nuclear Technologies
STEM Explained
Learn about why Canada is a world leader in nuclear technology.
![White water rafting on the Fraser River in British Columbia](/sites/default/files/styles/resource_card_image_360x300_/public/2020-12/white-water-rafting-on-the-fraser-river.jpg?itok=ou_sM1-M)
Introduction to Rivers & Streams
Backgrounders
Learn about the physical geography, chemistry and ecology of rivers and streams.
![Jean Paquin outside](/sites/default/files/styles/career_image/public/2020-12/Jean%20Paquin%20RTA-web.jpg?itok=9XAoLiFz)
Jean Paquin
Water Resources Analyst Engineer at Rio Tinto
![Volcanologists looking at glowing lava](/sites/default/files/styles/resource_card_image_360x300_/public/2020-10/scientists-looking-at-glowing-lava.jpg?itok=VYIAfCcm)
Career Exploration : Volcanologist
Lessons
Students construct a model of a volcano and explore the career of a volcanologist.
![Assortment of minerals](/sites/default/files/styles/resource_card_image_360x300_/public/2022-10/assortment%20of%20minerals.jpg?itok=Gaty1qjV)
All About Minerals
Backgrounders
Learn about the characteristics and uses of minerals.
![Why is rain not salty?](/sites/default/files/2019-08/why-is-rain-not-salty.jpg)
Why is rain not salty?
Hands-on Activities
Make a model of the water cycle and find out how water moves around on planet Earth.
![What are the best materials to use for cleaning water?](/sites/default/files/2019-08/what-are-the-best-materials-to-use-for-cleaning-water.jpg)
What are the best materials to use for cleaning water?
Hands-on Activities
Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?
![Charging a cell phone](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/charging_a_cell_phone.jpg?itok=ugTEHYXD)
What If You Could Charge Your Phone Using Radio Waves?
STEM Explained
Could we use radio waves to charge electrical technologies in the future?
![Aerial of Gas well Marcellus Shale Formation in northern West Virginia](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Aerial-of_gas_well.jpg?itok=tjnKvzRe)
What is Fracking?
STEM Explained
The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!
![Thermal images of people and objects](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Thermal_images_of_people_and_objects.png?itok=5vLkf21V)
Thermopower and the Body Heat-Powered Flashlight
STEM Explained
Can your body be a source of electricity generation? Maybe, if you understand heat transfer. Explore this concept through a 2013 invention by a Canadian teen.
![City at night with transmission lines](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/City_at_night_with_transmission_lines.jpg?itok=UiKbdb4e)
Understanding Electricity Supply and Demand
Backgrounders
Electricity demand changes constantly. Suppliers need to generate more electrical energy when demand is high, and less when demand is low.
![Heat pump diagram](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Heat_pump_diagram.png?itok=0BIHVWMg)
Tapping Underground Energy with Heat Pumps
STEM Explained
Using the heat of the Earth’s interior, you can heat your home with a ground source heat pump. This kind of heating is cheaper and better for the environment!
![Water](/sites/default/files/styles/resource_card_image_360x300_/public/5617.jpg?itok=csETRJXO)
The Water Cycle
Picture Collections
1 diagram illustrating the water cycle