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Unit B: Understanding Common Energy Conversion Systems

Bacteria can be used to generate electricity

Microbial Fuel Cells

STEM Explained

In a few decades, some of the electricity you use might be generated by bacteria.

Drop tower ride

How is Lenz's Law Used in Drop Tower Rides?

STEM Explained

How do magnetic fields help you get down safely from the top of a drop tower ride? Learn how electromagnetic induction works at the amusement park.

How much power is generated when climbing a set of stairs?

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

Hydraulics 101

STEM Explained

Hydraulics power many of the large machines you see around you.

illustration of a hydrogen car

The History and Uses of Hydrogen

STEM Explained

Hydrogen’s tendency towards combustion is what makes it both a dangerous chemical element and a useful energy source.

How do I construct a terrarium?

How do I construct a terrarium?

Hands-on Activities

You can make your own terrarium for growing plants!

Green walls in Harvard University

Green Walls

STEM Explained

Green walls use plant processes to improve air quality in buildings.

How can I build a rollercoaster?

How can I build a rollercoaster?

Hands-on Activities

Try your hand at building a “super coaster” using materials around your home.

Energy-saving light bulbs are a great way to save money at home

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!

Wind turbines with energy storage system

Can You Store Electricity for Later?

STEM Explained

Sometimes, power plants make too much electricity. Energy storage technologies can help! They store the extra electricity and release it when demand goes up.

Birds flying near a wind farm

Are wind farms a threat to wildlife?

STEM Explained

Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.

Schuyler Kahgee - Industrial Millwright Apprentice

Schuyler Kahgee (Video)

Career Profiles

Industrial Millwright

Schuyler Kahgee is an Industrial Millwright, located in Ontario.
Kevin Hill - Regional Maintainer Forestry

Kevin Hill (Video)

Regional Maintainer

Kevin Hill is a Regional Maintainer, located in Ontario.
Kevin Hill | Agent d’entretien régional en foresterie

Kevin Hill

Career Profiles

Regional Maintainer (Forestry)

Kevin Hill is a Regional Maintainer (Forestry) for Hydro One.
Schuyler Kahgee | Apprenti mécanicien industriel de chantier

Schuyler Kahgee

Career Profiles

Industrial Millwright

Schuyler Kahgee is an Industrial Millwright for Bruce Power L.P.