
Roger Bragg
Construction Electrician
Roger Bragg is a Construction Electrician, practicing in Newfoundland.
Learn the fundamentals of technological thinking and robotic literacy and how it can be applied in elementary and high school.
Take a tour of different rooms in your home. Which items in each room use electricity? How do you know they use electricity?
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.
This resource explains electricity basics - volts, amps, currents, resistance, and why it is dangerous to touch electrical outlets with wet hands.