PBS
Nh Pbs: Nature Works: Marine Communities
Explore saltwater ecosystems around Earth. Learn about oceans, estuaries, shores, and more.
PBS
Pbs Learning Media: The Water Planet
75% of our earth is covered by water. Water can be found in oceans, lakes, rivers, groundwater, and sea ice. View these captivating photos of our earth showing the different water sources and images of our earth taken by NASA. Background...
NASA
Nasa: Space Place: Go With the Flow: An Ocean Currents Game
You are in a submarine and need to fix the currents to take you where you want to go. You want to get the key to the treasure chest full of gold!
University of Southern California
Usc: The Composition of Ocean Water
This site gives background information to ocean water and its contents. It has a link to an detailed chart showing the minerals and their content amount in ocean water. It also has links to activities.
PBS
Pbs Teachers: Ocean Activity Ideas
Explore ocean habitats, learn about the extreme weather of the ocean and examine environmental threats to the ocean. Conduct experiments on buoyancy and osmosis, and research sailing and ocean-based industry.
Hunkins Experiments
Hunkin's Experiments: How to Make Oxygen From a Battery
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one...
Bill Nye
Bill Nye: Eggs Speriment
Try this at-home science experiment to learn if salt affects the way things float.
US Navy
Onr: Saltwater vs. Freshwater, Which Is Denser?
This site contains an experiment on how to find out which has more density -- freshwater or saltwater.