Earth's oceans
Oceans are a natural resource for salt and the fish and other sea animals we eat. Ocean Currents. Ocean Tides, Trenches, Mid-Ocean Ridges, Seamounts, The Flat Abyssal Plains, The Continental Shelf. Read More...
The resources above cover the following skills:
EARTH AND SPACE SCIENCE
Earth’s Systems
Identify the distribution of freshwater and salt water on Earth (e.g., oceans, lakes, rivers, glaciers, ground water, polar ice caps) and construct a graphical representation depicting the amounts and percentages found in different reservoirs.