Skip to main content

Unit 1: Stoichiometry

Rolls of aluminum

Chemistry in the Aluminum Industry

Backgrounders

Learn about the role of chemistry in the aluminum industry.

Green chemistry industry icon

Introduction to Green Chemistry

STEM Explained

Green chemistry is a field that looks at the sustainability of products and processes designed by people.

Hand writing chemical equations

Chemical Equations

Backgrounders

Learn about how to write and balance chemical equations.

Colourful liquids and periodic table

Describing and Classifying Matter

Backgrounders

Learn about the physical and chemical properties of matter.

Timothy Burkhart

Query a Career Profile

Lessons

Students will explore career profiles and relate them to what they are learning in science class.

A mole and the number of atoms or molecules in a mole

Moles and Molarity: Counting and Chemistry from Donuts to Soap

STEM Explained

To count tiny things like atoms and molecules, scientists use a measurement called the mole.

Farah Halsaad | Chimiste industrielle

Farah Halsaad

Industrial Chemist

Farah Halsaad is an Industrial Chemist, located in Ontario.
Scott Kelly et Terry Virts inspectent le système d’élimination du dioxyde de carbone de la SSI (Photo via Wikimedia Commons)

Carbon Dioxide on Earth and on the ISS

Backgrounders

Carbon dioxide is an important part of the air on Earth and in space. What is carbon dioxide? How is it measured? How can it affect us mentally and physically?

A set of lipstick in various colours

The Chemistry of Lipstick

STEM Explained

Learn about the organic compounds that make up lipstick as well as about some of the chemistry that goes into this popular cosmetic.

An image showing the symbol, atomic number and relative atomic mass of sodium. Sodium’s symbol is Na, its atomic number is 11 and its relative atomic mass is approximately 22.99.  Image © istockphoto.com/3dalia

Na Na Na Na (Hey Hey Hey) Sodium!

STEM Explained

Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.

Opening can of pop

The Chemistry of Pop

STEM Explained

There’s a lot of cool chemistry in a can of pop! Learn how solubility, chemical equilibrium, acids & bases and gas laws work in some of your favourite drinks.

Close-up of an amethyst geode

What is a Crystal?

STEM Explained

Learn what makes a crystal a crystal.