![Green chemistry industry icon](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Green_chemistry_industry_icon.jpg?itok=NorVcUt3)
Introduction to Green Chemistry
STEM Explained
Green chemistry is a field that looks at the sustainability of products and processes designed by people.
![Cars driving through thick smog](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/cars_driving_through_smog.jpg?itok=oUpI0xvE)
How Vehicles Pollute the Air
Backgrounders
Learn how vehicles affect air quality, including their contribution to smog.
![fuel cell car header](/sites/default/files/styles/resource_card_image_360x300_/public/2022-12/fuel%20cell%20car%20header.jpg?itok=jTanjOIn)
Hydrogen Fuel Cell Vehicles
Backgrounders
Learn about vehicles that use hydrogen for fuel.
![Shari Forbes à l'extérieur du centre de décomposition humaine](/sites/default/files/styles/career_image/public/2022-03/Shari%20Forbes.jpg?itok=tS4g4EoW)
Shari Forbes (she/her/elle)
Career Profiles
Forensic Scientist
![Heating a liquid over a flame in a lab](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/reaction_types_header.jpg?itok=RwhxbpFu)
Types of Chemical Reactions
Backgrounders
Learn about the four main types of chemical reactions.
![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.
![Solutioneers Episode 5 screen shot](/sites/default/files/styles/resource_card_image_360x300_/public/2020-04/Solutioneers_Episode_5_header.jpg?itok=JUEX3E1V)
The Solutioneers Week 5: Chemical Bonding
Interactives
This week's episodes and hands-on activity explore some cool chemistry!
![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.
![Blue whale swimming](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Blue_whale.jpg?itok=jItzw1qc)
Can Whales Really Explode?
STEM Explained
When deceased whales wash up on shore, people fear they might explode. Gas laws, decomposition reactions and organic chemistry can help us understand this fear.
![Browning apple](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/Browning_apple.jpg?itok=0ChBaFX8)
Why Do Apples Turn Brown After You Cut Them?
STEM Explained
Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.
![Cartoon leaf holding an umbrella over baby plant](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/cartoon_acid_rain.jpg?itok=J4BMIwgR)
What is Acid Rain?
STEM Explained
Acid rain is any precipitation that has an unusually low pH. It can be rain, snow, fog, etc. But what is a low pH and why is this a problem?
![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.
![Cartoon of people cleaning teeth](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Cartoon_dentists_cleaning_a_tooth.jpg?itok=vK4Ow00y)
How can chemistry help you take care of your teeth?
STEM Explained
What are your teeth made up of? What chemistry is at work in your mouth? Why do some people get cavities even if they brush regularly?
![A melting world-shaped glacier](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/melting_world-shaped_glacier.jpg?itok=-lrMUAJG)
What is Ocean Warming and Why Does It Matter?
STEM Explained
Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.