Students observe how salt concentration increases in water and how salt remains after water evaporates. In this salty sea lesson plan, student use rock salt, water, containers, and strainers to observe that salt increases each time new...

Students study and observe types of sea ice found in Alaska. In this sea ice lesson, students use the student network for observing weather to study the different types of sea ice. Students study sea ice depicted in Alaskan art.

Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...