American Geosciences Institute
American Geosciences Institute: Earth Science Week: Sea and Ice Salinity
Students investigate the effects of salinity on the formation of sea ice, and whether salt water freezes more quickly or more slowly than fresh water.
Other
University of Texas at Dallas: Why Is the Sea Salty?
A clear and concise explanation of why some of the earth's waters are salty and others are not.
Other
Nanoos: What's a Water Column Profile? [Pdf]
This lesson plan helps students discover the relationship between temperature, salinity, and density in coastal marine waters. Students access and retrieve water column profile data from the NANOOS and/or the WA Department of Ecology's...
American Museum of Natural History
American Museum of Natural History: O Logy: Stuff to Do: Density of Salty Water
An experiment to test what happens when ocean water hits a freshwater estuary. Each step is demonstrated with photographs and the difference between salinity and density is explained.
Enchanted Learning
Enchanted Learning: Zoom School: Oceans
Find out why the oceans are blue and what causes waves by clicking here. There is a table of information about the four oceans as well as interesting facts on waves, salinity, and tides.
University of California
University of California: Seawater Density & Salinity [Pdf]
Describes the properties of seawater and the variations depending on its location, e.g., near a shoreline, in an estuary, or as sea ice. Discusses the instruments scientists use to measure the density of water and explains other...
Other
Saltland Genie: Finding Solutions for Saltland
Managing dryland salinity and its results on farmers, farm advisers, catchment managers and researchers/students. Guided information organized in 7 specific units.
NOAA
Noaa: Ocean Explorer: Hot, Cold, Fresh and Salty
Students simulate ocean water characteristics in order to recognize that the effects of salinity and temperature are the drivers of thermohaline circulation.
US Geological Survey
Usgs: "Thirsty? How 'Bout Seawater?"
This U.S. Geological Survey website explains the desalinization method used by some communities to change sea water into drinking water. Click Home to access the site in Spanish.
US Geological Survey
Usgs: Water Science for Schools Uses of Saline Water
This U.S. Geological Survey website explains a variety of uses for saline water. Pie graphs and bar graphs are used to illustrate the various uses. Click Home to access the site in Spanish.
Other
Planet Ark: World Environmental News
Welcome to Planet Ark's daily Reuters World Environment News - the most comprehensive source of environmental news on the Net. To read previous news stories, please use the search engine below to find stories relating to any...
PBS
Pbs Teachers: Saltwater Tester
Explore circuits and the flow of electricity. Create a saltwater tester using a battery and electrical buzzer.
Scholastic
Scholastic: Study Jams! Science: Earth's Oceans
Oceans contain 97% of the water on the Earth and are home to a huge number of living creatures. View an informative slideshow of the ocean and its inhabitants and then test yourself on what you learned.
CK-12 Foundation
Ck 12: Earth Science: Seawater Chemistry Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the composition of ocean water. Includes a few questions to check for understanding.