![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.
Élyse Caron-Beaudoin
Career Profiles
Teaching Assistant in Environmental Health
![Marianne Torres-Heckford in laboratory](/sites/default/files/styles/career_image/public/2022-01/Marianne%20Torres-Heckford.jpg?itok=7w4TZQ9a)
Marianne Torres-Heckford
Microbiology Technologist
![Fairy Sahay](/sites/default/files/styles/career_image/public/2021-06/Fairy%20Sahay.jpg?itok=2KRgSGKu)
Fairy Sahay
Civil Engineer (Green Economy Project)
![Image of a river running through a Boreal forest](/sites/default/files/styles/resource_card_image_360x300_/public/2020-12/white-water-rafting-on-the-fraser-river.jpg?itok=ou_sM1-M)
Resources on the Environment
STEM Explained
Resource page including articles and career profiles related to the environment.
![Tara Boyd au bureau en patins à roulettes.](/sites/default/files/styles/career_image/public/2021-01/Tara%20Boyd2.jpg?itok=E081-sJ6)
Tara Boyd
Director, Operations & Administration
![White water rafting on the Fraser River in British Columbia](/sites/default/files/styles/resource_card_image_360x300_/public/2020-12/white-water-rafting-on-the-fraser-river.jpg?itok=ou_sM1-M)
Introduction to Rivers & Streams
Backgrounders
Learn about the physical geography, chemistry and ecology of rivers and streams.
![Shayla Brown au travail sur un chantier maritime](/sites/default/files/styles/career_image/public/2021-01/Shayla%20Brown%20.jpg?itok=fcqijdXk)
Shayla Brown
Career Profiles
Environmental Coordinator
![Water treatment plant near Kitchener, Ontario](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/grand-river-water_treatment_plant.jpg?itok=9hBQ6tW_)
Water Treatment
Backgrounders
Learn about how water is treated at municipal water treatment plants.
![Boat on a lake at sunset](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/boat-docked-on-lake-at-sunset.jpg?itok=1QlQiekK)
Humans and Freshwater Ecosystems
Backgrounders
Learn about how people impact the ecosystems of lakes and rivers.
![Scientist testing water samples](/sites/default/files/styles/resource_card_image_360x300_/public/2020-10/scientist-monitoring-water-quality.jpg?itok=d68styFY)
Careers in the Great Outdoors
Lessons
Students explore careers related to outdoors and the land and then design and build a water filter prototype.
![Ian Cook](/sites/default/files/styles/career_image/public/2021-01/Ian%20Cook.jpg?itok=L8Z4nvIF)
Ian Cook
Journeyman Sheet Metal Worker
![Jean Paquin outside](/sites/default/files/styles/career_image/public/2020-12/Jean%20Paquin%20RTA-web.jpg?itok=9XAoLiFz)
Jean Paquin
Water Resources Analyst Engineer at Rio Tinto
![Checking the inside of a pipe](/sites/default/files/styles/resource_card_image_360x300_/public/2020-09/checking-the-inside-of-the-pipe.jpg?itok=k10jeKDc)
Crack the Code: Water Treatment
Lessons
Students learn about the water treatment process as they complete a digital “escape room” on a Google site.
![Hollee Heal sur un site de travail](/sites/default/files/styles/career_image/public/2020-06/Hollee%20Heal.jpg?itok=qn4x8UaI)
Hollee Heal
Career Profiles
Health, Safety, Environmental Coordinator