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Unit A: Chemical Changes

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.

Andrea Brack

Andrea Brack

Career Profiles

Environmental and Regulatory Team Coordinator

I lead a team of environmental professionals at a large petrochemical manufacturing facility.
Portrait de Anindya Kumar Ghosal

Anindya Kumar Ghosal (he/him)

Career Profiles

Senior Product Team Lead (Chemical Engineer)

I create chemicals that are added to gasoline so it will burn cleaner in the automobile’s engine.
Earth with thermometer

Let's Talk Climate Change: Resources

Backgrounders

Discover a set of resources to give you background knowledge on climate change.

A biodiesel filling station

Introduction to Biofuels

STEM Explained

Learn about biofuels and what makes them a promising alternative to fossil fuels.

Cars driving through thick smog

How Vehicles Pollute the Air

Backgrounders

Learn how vehicles affect air quality, including their contribution to smog.

fuel cell car header

Hydrogen Fuel Cell Vehicles

Backgrounders

Learn about vehicles that use hydrogen for fuel.

Tamara Krawchenko à l'extérieur

Tamara Krawchenko (she/her)

Career Profiles

University Professor and Public Policy Researcher

I research how we can change our economy so it has a lower carbon footprint.
Green leaf inside

Green Energy

Backgrounders

An overview of environmentally-friendly ways to generate electricity and power

Flood water with traffic sign submerged.

Earth Month: Climate Change

Backgrounders

Discover the probable causes, likely effects, and potential ways to mitigate climate change.

Ray Hyde

Ray Hyde

IT Manager, Customer Experience

I oversee the day-to-day operation of our IT infrastructure in support of the offshore oil platforms and our local office.
Stephen Edison

Stephen Edison

Career Profiles

Energy Transition Advisor

I use science and engineering to find solutions in support of energy transition and lower carbon. 
Heating a liquid over a flame in a lab

Types of Chemical Reactions

Backgrounders

Learn about the four main types of chemical reactions.

Test tubes with colourful liquids

Evidence of Chemical Change

Backgrounders

Learn how to tell if a chemical reaction has taken place.

Periodic Table with molecular model

Introduction to the Periodic Table of the Elements

Backgrounders

Learn about the elements of the periodic table and how they are organized.