| A | B |
|---|
| Basin | low areas on earth; these filled with water to form oceans |
| salinity | the measure of the amount of salts dissolved in seawater |
| surface current | currents powered by wind, They move the water horizontally-parallel to the Earth's surface |
| Coriolis effect | the shifting of winds and surface currents from their expected paths |
| upwelling | avertical circulation in the ocean that brings deep, cold water to the ocean surface |
| density current | forms when a mass of seawater becomes more dense than the surrounding water |
| wave | a rhythmic movement that carries energy through matter or space |
| crest | the hightest point of the wave |
| trough | the lowest point of the wave |
| breaker | a collapsing wave (when the wave breaks onto the shore |
| tide | the rise and fall in sea level |
| tidal range | the difference between the level of the ocean at high tide and low tide |
