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.
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...
The Wonder of Science
The Wonder of Science: 5 Ess2 2: Water Availability and Distribution
With these lessons, student can provide evidence to how water is distributed around Earth by interpreting graphs of the amounts and percentages of water in various reservoirs. On this site find work samples, phenomena, assessment...
McGraw Hill
Glencoe Biology: Aquatic Ecosystems: Self Check Quiz
Try these five multiple-choice questions about aquatic ecosystems. After answers are submitted, students can review their mistakes.
Other
San Francisco Bay Area Wetlands Restoration Program
Homepage for the massive wetlands restoration project in San Francisco Bay. History, objectives, and benefits of the project are described.
CK-12 Foundation
Ck 12: Second Grade Science: A World of Ice and Water
[Free Registration/Login may be required to access all resource tools.] Covers different bodies of water, including rivers, lakes, and oceans.
Other
Gillett's Jewellers: Pearl Information
Pearl characteristics, differences between a cultured pearl and a shell-based pearl, and freshwater pearls are some of the topics featured on this page.
US Geological Survey
Usgs: All of Earth's Water in a Single Sphere!
See how all of Earth's water compares to the total size of the Earth.
American Chemical Society
Inquiry in Action: Changing the Density of a Liquid: Adding Salt
In this activity, students will see that a carrot slice sinks in fresh water and floats in saltwater. Considering the placement of the carrot slice in water and salt water, students will infer that the density of salt water must be...
Idaho State University
Idaho State University: Water Pollution
Explore water pollution in surface water and groundwater and investigate the treatments for both. Also, check out what happens when salt water infiltrates the fresh water sources.
Canadian Wildlife Federation
Hinterland Who's Who: Estuaries
Learn about estuaries, where the fresh water rivers meet the salt water of the oceans. The unique features of estuaries are explained, followed by a look into estuarine food webs. Next find out about the different plants and animals that...
Climate Literacy
Clean: Effects of Increased Co2 in the Air on Seawater and Distilled Water
Students perform an experiment comparing the impacts of CO2 on salt water and on fresh water. In a short demonstration, students examine how distilled water and seawater are affected differently by increasing carbon dioxide in the air.
Other
Crocodilian Species List
This website offers in-depth information and photos on all living crocodilian species.
State of Florida
Florida Department of State: State Symbols
Learn about all of Florida's state symbols on this colorful page. Click on the symbol for a larger picture and more information.
NSTATE
New Hampshire State Symbols
Find a wealth of information about the New Hampshire state symbols. Click on each word to be taken to a page with a picture, information, and links to much more about the symbol. Includes year of adoption.
Globio
Glossopedia: Fishes
Learn about fish from around the world. Varying species, their biology, role in the environment, human cultural significance, as well conservation issues.
Other
Alabama Emblems, Symbols and Honors
A list of all of the state emblems and symbols for the state of Alabama. Clicking on the underlined link will bring up a picture of the symbol or emblem.
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.
NASA
Nasa: Polar Ice and Its Possible Effects on the Earth
This article describes the effects of polar ice caps on the Earth and offers explanations as to the possible effects of polar ice melting on sea level and temperature.
Environmental Education for Kids
Eek!: Water Wonders
This site from the Environmental Education for Kids contains colorful and detailed information on water resources. Site covers fascinating tips and facts, as well as engaging quizzes on the wonderful world of water. Best suited for...
Other
California Resources Agency: Desalination
This site is from the Office of the Secretary of California. It gives background about desalination along with basic methods on how it is accomplished.
Other
Nrdc: Clean Water and Oceans
What prompted congress to pass the Clean Water Act? Has this legislation been successful? The Natural Resources Defense Council offers information on fresh and ocean waters, pollution control, conservation, and more.
Enchanted Learning
Enchanted Learning: Alabama Facts, Map and State Symbols
Do you need information about Alabama? Find facts, a map, and state symbols. Pictures of many of the state symbols are included.
PBS
Nh Pbs: Nature Works: American Avocet
Learn more about the American Avocet through this informative site. This resource features characteristics, reproduction, range, food, and behavior of this fascinating bird, as well as an audio clip of the bird's song.