| A | B |
| water part of our planet | hydrosphere |
| streams running through the ocean | ocean currents |
| the part of the ocean floor that gently slopes away from the coast line, surfers don't go past it | continental shelf |
| the part of the contintent that is a steep drop from the contintental shelf to the ocean floor | continental slope |
| underwater mountian range | mid-ocean ridge |
| in the northern hemisphere currents turn this direction | clockwise |
| largest and deepest ocean in the world | Pacific ocean |
| the company that caused the largest oil spill in the history of mankind | BP |
| the three main oceans are | Pacific, Atlantic, Indian |
| tieing a string to the middle of a slinky will move the string in _________ | up and down in small circular motion |
| Phytoplankton | produce 90% of oxygen and are basis of food chain |
| the top of a wave | crest |
| the sun and moon causes _______ | tides |
| bottom of a wave | trough |
| earthquakes, wind, and tides cause _______ | waves |