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Unit 2: Fluids (revised 2010)

Hot air balloons

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

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

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 | Ingénieure en contrôle des systèmes

Jasraj Chahal

Career Profiles

Control System Engineer

Jasraj Chahal is a mechanical engineer working in the aerospace industry.
Trevor Roote | Préposé à l'entretien des machines

Trevor Roote

Career Profiles

Mechanical Maintainer

Trevor Roote is a Mechanical Maintainer for Bruce Power.
Smoke from a crop-duster shows wake turbulence

What is Air Turbulence?

STEM Explained

Learn about the science behind the four main causes of turbulence.

A variety of lava lamps

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

Why Do Curveballs Curve?

STEM Explained

Bernoulli’s equation is key to understanding why curveballs curve.

Why do raisins dance in soda pop?

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?

What causes ocean currents?

Hands-on Activities

Create a model of ocean currents and learn how currents are formed.

Cartoon woman on a surfboard

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?

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

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?

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

Hydraulics 101

STEM Explained

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