Water Science
Water is all around us. 70% of Earth is water. It impacts fisheries, water cycles, weather, and shipping routes. Learn about our freshwater and oceans.
Freshwater
10 Longest Rivers in the United States
Rivers are the lifeblood of the United States, weaving through each and every state. Among them, ten rivers stand out for their lengths.
Oceans
What’s the Difference Between Waves and Tides?
Waves vs tides: – what’s the difference? Waves are made by wind blowing over the water. Tides are because of the rise and fall of sea levels.