Skip to main content

Unit D: Electrical Principles and Technologies

Medical image of the brain using Technetium-99m

Innovations in Nuclear Technologies

STEM Explained

Learn about why Canada is a world leader in nuclear technology.

Stacey Corbett

Stacey Corbett

Career Profiles

Geographic Information Systems Manager

Stacey Corbett is a Geographic Information Systems Manager for EPCOR.
Some examples of biomass

Generating Electricity: Biomass

Backgrounders

Learn how biomass can be used to generate electricity.

Coal and natural gas fueled generator near Hanna, Alberta, Canada

Generating Electricity: Fossil Fuels

Backgrounders

Learn how energy from fossil fuels can be used to generate electricity.

Jean Paquin outside

Jean Paquin

Water Resources Analyst Engineer at Rio Tinto

Jean Paquin is a Water Resources Analyst Engineer at Rio Tinto.
Colourful insulating wires

Introduction to Current Electricity

Backgrounders

Learn about current electricity and why it should be handled safely

 Getting a shock of static electricity

Introduction to Static Electricity

Backgrounders

Learn about static electricity and where we encounter it in daily life.

Electrical power lines near a home

Does Living Near High-Voltage Power Lines Cause Cancer?

STEM Explained

Learn about the risks of electromagnetic radiation near high-voltage power lines.

Vivienne  Jaehn-Kreibaum sur une pente de ski

Vivienne Jaehn-Kreibaum

Career Profiles

Electrical Engineer

Vivienne Jaehn-Kreibaum is an Electrical Engineer for Facebook.
Roger Bragg à l'extérieur avec un VTT

Roger Bragg

Career Profiles

Construction Electrician

Roger Bragg is a Construction Electrician, practicing in Newfoundland.
Thundersnow near a cabin on a hillside

Thundersnow: winter thunderstorms

STEM Explained

When thunder and lightning occur but the main form of precipitation is snow, not rain, it’s called thundersnow.

Which materials bounce?

Which materials bounce?

Hands-on Activities

Balls go up and down. But what makes for a good ball? Find out by exploring which materials bounce.

Charging a cell phone

What If You Could Charge Your Phone Using Radio Waves?

STEM Explained

Could we use radio waves to charge electrical technologies in the future?

Thermal images of people and objects

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

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.