Ocean Currents Explained

What are most surface waves caused by?

• Wind

• Upwelling

• Salt

• Sunlight

What causes the deep ocean currents?

• Wind

• Temperature, density, salinity differences

• Ships

• Hydrothermal Vents

What does the green water represent?

• Freshwater

• Saltwater

• Brackish Water

What does the clear water represent?

• saltwater

• brackish water

• freshwater

Why does the saltwater go BELOW the freshwater?

• It's more dense

• It's less dense

Why does the freshwater flow above the saltwater?

• It's more dense!

• It's less dense!

What is the name for the water that is a MIX of freshwater and saltwater?

Brackish water has a density between that of freshwater and saltwater. Knowing that, where should the brackish water flow?

• Above the freshwater

• Between the freshwater and saltwater

• Below the saltwater

In your own words, tell why 3 different types of water layer instead of mixing.