1. OCEAN MOTION

The ocean affects the climate on our planet.

Looking at our Earth from space, it is obvious that we live on a water planet. Ocean covers over 70 percent of the Earth's surface and contains about 97 percent of the Earth's surface water. How much do you know about our ocean?
The ocean affects the climate on our planet.
Most of the Earth's water is found in:
Measurements of Earth’s gravitational field permit topographic, or surface, mapping of the ocean floor.
Which of these has a greater effect on global sea level?
What is sea surface salinity?
Tides are caused by:
Sea level isn’t level at all. The ocean has hills and valleys similar to what we see on the land's surface. Ocean surface highs and lows are known as:
NASA has been measuring sea surface height from space since 1992. Over that period, average global sea level has:
The only current that makes an uninterrupted circle around the entire Earth without hitting land is the: