![Hot air balloons](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/hot_air_balloons.jpg?itok=HoJ3N2CQ)
Charles' Law and Gay-Lussac's Law
Backgrounders
Learn about the theories of Charles’ Law and Gay-Lussac’s Law and explore examples of these laws in everyday life.
![Pressure gauge](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/pessure_gauge_dial.jpg?itok=icL0WRnr)
Kinetic Molecular Theory of Gases
Backgrounders
Learn about the Kinetic Molecular Theory of Gases as well as about the units and tools used to measure gases.
![Woman blowing up a balloon](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Avogadro_balloon.jpg?itok=iNWxYFKr)
Avogadro and the Ideal Gas Law
Backgrounders
Learn about the theory of Avogadro’s Law and the Ideal Gas Law and explore examples in everyday life.
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
![Smoke from a crop-duster shows wake turbulence](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/crop_duster_wake_turbulence.jpg?itok=fnV4IiYR)
What is Air Turbulence?
STEM Explained
Learn about the science behind the four main causes of turbulence.
![A variety of lava lamps](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Assortment_of_lava_lamps.jpg?itok=IsXk69sI)
Lava Lamps
STEM Explained
Lava lamps are very interesting to look at. But they are also interesting examples of buoyancy, heat transfer and solubility!
![Pitcher holding a baseball](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/pitcher-holding-a-baseball.jpg?itok=Q-P2jehX)
Why Do Curveballs Curve?
STEM Explained
Bernoulli’s equation is key to understanding why curveballs curve.
![Why do raisins dance in soda pop?](/sites/default/files/2019-08/why-do-raisins-dance-in-soda-pop.jpg)
Why do raisins dance in soda pop?
Hands-on Activities
Let them bop ‘til they drop! What causes these raisins to reach new heights in this hands on activity?
![What causes ocean currents?](/sites/default/files/2019-08/what-causes-ocean-currents.jpg)
What causes ocean currents?
Hands-on Activities
Create a model of ocean currents and learn how currents are formed.
![Cartoon woman on a surfboard](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Woman_on_surfboard.png?itok=nK6so4x3)
The Physics of Surfing
STEM Explained
Learn about the history of surfboards, and how different materials and designs over the years affected the physics at work in surfing.
![Is it a liquid or a solid?](/sites/default/files/2019-08/is-it-a-liquid-or-a-solid.jpg)
Is it a liquid or a solid?
Hands-on Activities
Make some goop that has the properties of a liquid and a solid.
![is-it-possible-to-change-water-into-cola](/sites/default/files/2019-08/is-it-possible-to-change-water-into-cola.jpg)
Is it possible to change water into cola?
Hands-on Activities
Explore the concept of displacement of fluids in this hands on activity.
![How much of an iceberg is on top of water?](/sites/default/files/2019-08/how-much-of-an-iceberg-is-on-top-of-water.jpg)
How much of an iceberg is on top of water?
Hands-on Activities
In this hands on activity find out just how much of an iceberg is below the surface. It might surprise you!
![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.