![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.
![Pond in a valley](/sites/default/files/styles/resource_card_image_360x300_/public/2020-12/pond_in_valley.jpg?itok=uvEUQ15w)
Introduction to Lakes & Ponds
Backgrounders
Learn about the geology, chemistry and ecology of lakes and ponds.
![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.
![Nicole Brisson à un site minier](/sites/default/files/styles/career_image/public/2020-06/Nicole%20Brisson3.jpg?itok=zGzXFoCd)
Nicole Brisson
Career Profiles
Water and Tailings Engineer
![Anne Simonen au travail](/sites/default/files/styles/career_image/public/2020-05/Anne%20Simonen.jpg?itok=6Km5oaX2)
Anne Simonen
Career Profiles
Civil Engineering Technologist
![Martina Bona](/sites/default/files/styles/career_image/public/2020-05/Martina%20Bona.jpg?itok=ZQ49gAeG)
Martina Bona
Career Profiles
Process Discipline Specialist
![Mussels on a rocky coastline](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/mussels-on-rocky-coastline.jpg?itok=4PnEYQCV)
Using Mussels to Monitor the Environment
STEM Explained
Mussels are a kind of invertebrate that filter food out of the water they live in. This makes them a great tool for monitoring environmental water quality and tracking bioaccumulation in aquatic food webs.
![Why is rain not salty?](/sites/default/files/2019-08/why-is-rain-not-salty.jpg)
Why is rain not salty?
Hands-on Activities
Make a model of the water cycle and find out how water moves around on planet Earth.
![What are the effects of acid rain on rocks?](/sites/default/files/2019-08/what-are-the-effects-of-acid-rain-on-rocks.jpg)
What are the effects of acid rain on rocks?
Hands-on Activities
Learn about the chemical reaction that happens between acid rain and limestone.
![Aerial of Gas well Marcellus Shale Formation in northern West Virginia](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Aerial-of_gas_well.jpg?itok=tjnKvzRe)
What is Fracking?
STEM Explained
The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!
![What are the best materials to use for cleaning water?](/sites/default/files/2019-08/what-are-the-best-materials-to-use-for-cleaning-water.jpg)
What are the best materials to use for cleaning water?
Hands-on Activities
Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?
![How can I write secret messages?](/sites/default/files/2019-08/how-can-i-write-secret-messages.jpg)
How can I write secret messages?
Hands-on Activities
Learn how you can write and reveal secret messages in this hands-on chemistry activity.