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Unit E: Freshwater and Saltwater Systems

What causes ocean currents?

What causes ocean currents?

Hands-on Activities

Create a model of ocean currents and learn how currents are formed.

Aerial of Gas well Marcellus Shale Formation in northern West Virginia

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!

Plastic drinking straws

We Use a Lot of Plastic

STEM Explained

What are microplastics? How are plastics polluting aquatic ecosystems?

Ship in Arctic waters

Reaching the Arctic

STEM Explained

How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?

various marine microorganisms as they appear under a microscope

Marine Microbiology: Meet the Microbes of the Sea!

STEM Explained

The ocean is full of very small but very useful creatures called microbes. Without them, none of the sea plants or animals you’ve seen would exist!

Jellyfish

Invertebrates: Marine

Picture Collections

8 images of some invertebrate animals such as sea anemones, coral and jellyfish that live in a marine environment

How can I write secret messages?

How can I write secret messages?

Hands-on Activities

Learn how you can write and reveal secret messages in this hands-on chemistry activity.

How does rain become acidic?

How does rain become acidic?

Hands-on Activities

Learn how to make a pH indicator and test water samples.

Clown Fish

Fish: Saltwater

Picture Collections

14 images of some fish such as lion fish, grouper and sharks that live in saltwater environments like oceans, saltwater lakes and aquariums

Massive algal bloom

Eutrophication: Why you should care about pond scum

STEM Explained

When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!

Katharine Scotton |  Experte-conseil en environnement, PGL Environmental Consultants

Katharine Scotton

Career Profiles

Environmental Consultant

Katharine Scotton is an Environmental Consultant for PGL Environmental Consultants.
Meredith Ann Epp | Gestionnaire des communications et du marketing

Meredith Ann Epp

Career Profiles

Communications and Marketing Manager

Meredith Ann Epp is the Communications and Marketing Manager for the Marine Stewardship Council Oceania.
Lucy Erickson | Gestionnaire des communications scientifiques pour le Marine Stewardship Council (MSC)

Lucy Erickson

Career Profiles

Science Communications Manager

Lucy Erickson is the Science Communications Manager for the Marine Stewardship Council/MSC.
Julia Matheson Technicienne en recherche, Bermuda Atlantic Time-series Study (BATS)

Julia Matheson

Career Profiles

Bermuda Atlantic Time Series (BATS) Research Technician

Julia Matheson is the Bermuda Atlantic Time Series (BATS) Research Technician for the Bermuda Institute of Ocean Sciences (BIOS).