![Test tubes with colourful liquids](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/test-tube-with-colourful_liquids.jpg?itok=MEo5D0U_)
Evidence of Chemical Change
Backgrounders
Learn how to tell if a chemical reaction has taken place.
![Electroplating equipment](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/electroplating-equipment.jpg?itok=jJASnDjb)
Chemical Reactions: Conditions & Speeds
Backgrounders
Learn about the special conditions that let some chemical reactions take place.
![Bill Butler](/sites/default/files/styles/career_image/public/2021-11/Bill%20Butler2.jpg?itok=e46m7o9O)
Bill Butler
Business Owner
![Martin Bush](/sites/default/files/styles/career_image/public/2021-07/Martin%20Bush.jpg?itok=s6e06qwC)
Martin Bush
Career Profiles
Climate Science Consultant
![Illustration of the Earth](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/climate_change_earth.png?itok=zcd_ozLA)
Summer Symposium Series: Climate Career Resources
Backgrounders
A career focused on climate change and sustainability would let you help people by working to help solve the biggest problems of our time.
![Alok](/sites/default/files/styles/career_image/public/2021-11/Alok%20Shirolikar1.jpg?itok=hYuSu-P5)
Alok Shirolikar
Career Profiles
Specialist Engineering Project Management
![Our climate is changing](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/climate_change_earth.png?itok=zcd_ozLA)
Introduction to Climate Change
Backgrounders
Learn more about the causes and impacts of global climate change.
![Megan Laracy | Geologist, ExxonMobil Canada Ltd Megan Laracy | Géologuel Canada Ltd](/sites/default/files/styles/career_image/public/6035_13.jpg?itok=YFp1vqPf)
Megan Laracy
Career Profiles
Geologist
![Adam Tofani in front of a pump-jack](/sites/default/files/styles/career_image/public/2021-03/Adam%20oil%20well.jpg?itok=2DyENC9D)
Adam Tofani
Career Profiles
Offshore Completions Engineer
![Natalie Swanson | Géologue pétrolière](/sites/default/files/styles/career_image/public/2019-09/Natalie%20Swanson%20%281%29.jpg?itok=JVDtIrFE)
Natalie Swanson
Petroleum Geologist
![Terry Penney | Directeur de l’installation extracôtière](/sites/default/files/styles/career_image/public/2019-09/Terry%20Penney.jpg?itok=0yIiu0cD)
Terry Penney
Hibernia Offshore Installation Manager
![Platinum crystals](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/Platinum-crystals.jpg?itok=CIVtGM1E)
Catalytic Converters
STEM Explained
Learn about how catalytic converters make vehicle emissions less harmful.
![Hamilton Street Railway bus in downtown Hamilton, Ontario © Adam E. Moreira [CC BY-SA 3.0], Wikimedia Commons](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/Hamilton%20Street%20Railway%20bus%20in%20downtown%20Hamilton%2C%20Ontario%20%C2%A9%20Adam%20E.%20Moreira.jpg?itok=1ZSDJMZQ)
Fueling Internal Combustion Engines
Backgrounders
Learn about the wide variety of fuels used in vehicles.