Vivienne Jaehn-Kreibaum
Career Profiles
Electrical Engineer
![Children on teeter-totter](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/children_on_teeter_totter.jpg?itok=Biz7eAsO)
Simple Machines - Levers
Backgrounders
The lever is a type of simple machine. Learn about the different classes of levers and how they provide mechanical advantage.
![Roger Bragg à l'extérieur avec un VTT](/sites/default/files/styles/career_image/public/2020-01/roger%20bragg3.jpg?itok=4zW-xnNP)
Roger Bragg
Career Profiles
Construction Electrician
Jasraj Chahal
Career Profiles
Control System Engineer
![Trevor Roote | Préposé à l'entretien des machines](/sites/default/files/styles/career_image/public/2019-09/Trevor%20Roote.png?itok=gJgsPvJx)
Trevor Roote
Career Profiles
Mechanical Maintainer
![Telegraph key used in Metcalfe, Ontario telegraph office (Ingenium)](/sites/default/files/styles/resource_card_image_360x300_/public/2019-07/5887.jpg?itok=h9OZd3T9)
Telegraph Key
Interactives
The telegraph works by transmitting signals through an electrical circuit. Learn more and print your own telegraph key using this 3d model of a real artefact.
![Carillon Hydroelectric Power Station, Saint-André-d'Argenteuil, Quebec](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Carillon_Hydroelectric_Power_Station.jpg?itok=wwBKKBX5)
Generating Electricity: Hydroelectric Power
STEM Explained
Learn how moving water can be used to generate electricity. This is called hydroelectric power generation.
![How much power is generated when climbing a set of stairs?](/sites/default/files/2019-08/how-much-power-is-generated-when-climbing-a-set-of-stairs.jpg)
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](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Construction%20vehicles%20use%20hydraulics.jpg?itok=9wlkKEIz)
Hydraulics 101
STEM Explained
Hydraulics power many of the large machines you see around you.
![A group of teens riding bicycles](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/teenagers_on_bikes.jpg?itok=N_FfMvMA)
How Can Understanding Physics Help Me Go Faster on My Bike?
STEM Explained
You don’t have to pedal harder to go faster. You just have to understand a little bit about dynamics, gravitational force and friction!
![Man being struck by lightning](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Lightning_striking_man.jpg?itok=equuGqYC)
Do Amps or Volts Kill You?
STEM Explained
This resource explains electricity basics - volts, amps, currents, resistance, and why it is dangerous to touch electrical outlets with wet hands.
![Energy-saving light bulbs are a great way to save money at home](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/one-hanging-energy-saving-light-bulb.jpg?itok=IocGQakA)
Energy Efficiency at Home
STEM Explained
If you understand heat transfer, you can make lots of little changes at home to help the environment and your household’s bank account!
![TREVOR ROOTE | MECHANICAL MAINTAINER TREVOR ROOTE | MECHANICAL MAINTAINER](/sites/default/files/styles/career_image/public/trevor_2.jpg?itok=PFx7W6EY)
Trevor Roote (Video)
Career Profiles
Mechanical Maintainer
![Andrew Newman | Mechanical Tree Harvester Andrew Newman | Mechanical Tree Harvester](/sites/default/files/styles/career_image/public/6215_13.jpg?itok=oLEDX3iw)
Andrew Newman (Video)
Career Profiles
Mechanical Tree Harvester
![Adam Melnick | Apprenticeship Coordinator and Health and Safety Instructor, Heat and Frost Insulator Training Centre Adam Melnick | Coordinateur de l'apprentissage et instructeur en santé et sécurité pour un centre de formation en calorifugation](/sites/default/files/styles/career_image/public/4777_15.jpg?itok=Ye-A392P)
Adam Melnick
Career Profiles
Apprenticeship Coordinator and Health and Safety Instructor