Activity
PBS

Pbs Teachers: Saltwater Tester

For Students Pre-K - 1st
Explore circuits and the flow of electricity. Create a saltwater tester using a battery and electrical buzzer.
Handout
PBS

Nh Pbs: Nature Works: Marine Communities

For Students 9th - 10th
Explore saltwater ecosystems around Earth. Learn about oceans, estuaries, shores, and more.
Activity
US Navy

Onr: Saltwater vs. Freshwater, Which Is Denser?

For Students 9th - 10th
This site contains an experiment on how to find out which has more density -- freshwater or saltwater.
Activity
Science Buddies

Science Buddies: Solar Powered Water Desalination

For Students 9th - 10th
Here is a cool project about making fresh water from salt water using solar power, also known as water desalination. The apparatus is made from readily available materials, and the power source is free. As an inventive thinker, you will...
Activity
TeachEngineering

Teach Engineering: One World Ocean

For Teachers 3rd - 5th
In this activity, students learn about ocean currents and the difference between salt and fresh water. They use colored ice cubes to see how cold and warm water mix and how this mixing causes currents. Also, students learn how surface...
Interactive
University of Utah

University of Utah: Genetics Science Learning Center: Stickleback Evolution

For Students 9th - 10th
Compare the freshwater stickleback with its saltwater relative and trace the evolutionary changes of the fish. Includes a lecture by Dr. David Kingley, as well as an animation showing the evolution of the stickleback in an Alaskan lake.
Activity
Science Buddies

Science Buddies: How Salty Is the Sea?

For Students 3rd - 5th
Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...
Graphic
Curated OER

Florida State Saltwater Mammal

For Students Pre-K - 1st
An image of the Florida State Saltwater Mammal.
Graphic
Curated OER

Florida State Saltwater Mammal

For Students Pre-K - 1st
An image of the Florida State Saltwater Mammal.
Graphic
Curated OER

Florida State Saltwater Mammal

For Students Pre-K - 1st
An image of the Florida State Saltwater Mammal.
Graphic
Curated OER

Florida State Saltwater Mammal

For Students Pre-K - 1st
An image of the Florida State Saltwater Mammal.
Graphic
Curated OER

New Hampshire State Saltwater Game Fish

For Students Pre-K - 1st
An image of the New Hampshire State Saltwater Game Fish.
Graphic
Curated OER

New Hampshire State Saltwater Game Fish

For Students Pre-K - 1st
An image of the New Hampshire State Saltwater Game Fish.
Graphic
Curated OER

New Hampshire State Saltwater Game Fish

For Students Pre-K - 1st
An image of the New Hampshire State Saltwater Game Fish.
Graphic
Curated OER

New Hampshire State Saltwater Game Fish

For Students Pre-K - 1st
An image of the New Hampshire State Saltwater Game Fish.
Graphic
Curated OER

New Hampshire State Saltwater Game Fish

For Students Pre-K - 1st
An image of the New Hampshire State Saltwater Game Fish.
Graphic
Curated OER

New Hampshire State Saltwater Game Fish

For Students Pre-K - 1st
An image of the New Hampshire State Saltwater Game Fish.
Graphic
Curated OER

Clip Art by Phillip Martin: State Salt Water Fish of Alabama Fighting Tarpon

For Students 3rd - 8th
A clipart illustration by Phillip Martin titled "State Salt Water Fish of Alabama - Fighting Tarpon."
Graphic
Curated OER

Clip Art by Phillip Martin: Florida State Saltwater Animal Porpoise

For Students 3rd - 8th
A clipart illustration by Phillip Martin titled "Florida State Saltwater Animal -- Porpoise."
Graphic
Curated OER

Clip Art by Phillip Martin: Louisiana State Saltwater Fish Spotted Sea Trout

For Students 3rd - 8th
A clipart illustration by Phillip Martin titled "Louisiana State Saltwater Fish - Spotted Sea Trout."
Handout
US Geological Survey

Usgs: Earth's Water: Lakes and Reservoirs

For Students 9th - 10th
The USGS reviews the differences between lakes and reservoirs. They discuss the history of freshwater and salt water lakes. Click Home to access the site in Spanish.
Unit Plan
Scholastic

Scholastic: Study Jams! Science: Ecosystems: Aquatic Ecosystems

For Students 3rd - 5th
A video and a short multiple-choice quiz on the topic of aquatic ecosystems. It discusses the difference between freshwater and saltwater ecosystems, then explains what the three ecozones are in a marine ecosystem.
Website
Geography 4 kids

Geography4 kids.com: Seasonal Wetlands

For Students 3rd - 8th
Identify the four types of seasonal wetlands found across the earth. There are fresh water and salt water marshes, bogs, and swamps.
Handout
The BIG zoo

The Big Zoo: Saltwater Crocodile

For Students 9th - 10th
Virtual zoo site provides some fascinating facts on this largest living reptile. Contains a physical description as well as information on their habitat, diet, social structure and birth and offspring.

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