Skip to main content

Unit E: Freshwater and Saltwater Systems

Mussels on a rocky coastline

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.

Adam Tofani in front of a pump-jack

Adam Tofani

Career Profiles

Offshore Completions Engineer

Adam Tofani is an Offshore Completions Engineer for Cenovus Energy.
Krysten Rutherford

Krysten Rutherford

Career Profiles

PhD Candidate, Oceanography

Krysten Rutherford is a PhD Candidate of Oceanography at Dalhousie University.
Christine Martinello avec une pieuvre

Christine Martinello

Assistant Curator of Canadian Waters and Propagation

Christine Martinello is an Assistant Curator of Canadian Waters and Propagation for the Vancouver Aquarium,
Kara Layton sous l'eau en habit de plongée sous-marine

Kara Layton

Postdoctoral Fellow

Kara Layton is a Postdoctoral Fellow at the Memorial University of Newfoundland.
Sheridan Thompson sur une falaise rocheuse

Sheridan Thompson (she/her/they/them)

Career Profiles

Doctoral Candidate

Sheridan Thompson is a Doctoral Candidate at Memorial University of Newfoundland.
Carl Dixon

Carl Dixon

Career Profiles

Naval Communicator

Carl Dixon is a Naval Communicator for the Canadian Armed Forces.
Danika Strecko | Gestionnaire de l’éducation océanique

Danika Strecko (Video)

Manager of Ocean Literacy

Danika Strecko is the Manager of Ocean Literacy for Ocean Wise.
Danika Strecko | Gestionnaire de l’éducation océanique

Danika Strecko

Manager of Ocean Literacy

Danika Strecko is the Manager of Ocean Literacy for Ocean Wise.
Rockfall on road

The Processes that Shape Landforms

STEM Explained

Canada has some amazing landforms. Learn how weathering, erosion and deposition shape landforms.

Hurricane Katrina as seen from space

Where Do Hurricanes Come From?

STEM Explained

Hurricanes are a kind of tropical cyclone. But where do they come from? And why do they cause so much damage? This article will answer all your storm-related questions!

Why is rain not salty?

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.

A melting world-shaped glacier

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.

What are the best materials to use for cleaning water?

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?

What are the effects of acid rain on rocks?

What are the effects of acid rain on rocks?

Hands-on Activities

Learn about the chemical reaction that happens between acid rain and limestone.