Ocean 2
Order by
19 terms
Terms | Definitions |
|---|---|
 Continental shelf | The gently slopping underwater land surrounding each continent where the ocean begins. Where you wade into the ocean , the shallowest part |
| continental edge | the point at which the continental shelf begins to angle sharply down |
| continental slope | The cliff-like drop at the continental edge that drops steeply down to the deep ocean floor |
| continental rise | which is the base of the continental slope, is made of large piles of sediment |
| abyssal plain | wide, flat area that makes up most of the ocean floor |
| mid-ocean ridge | a chain of mountains on the ocean floor (longest mountain range in the world - 36,000 miles) |
| seamounts | free standing underwater mountain that formed from a volcano |
| organic sediments | sediments formed from dead plants, shells, or animal skeletons |
| inorganic sediments | soil and rock on land that wash into the ocean |
| chemical and mineral deposits | metals that dissolve in the water or are suspended like gold |
| turbidity current | are movements of dense, sediment rich water down the continental slope |
| iridium levels | by studying the layers of ocean sediments we find out about the past |
| Cornelius Drebbel | builds first submarine |
| Matthew Fontaine Maury | Father of modern oceanography |
| Challenger | scientific voyage to collect sea-samples |
| sonar | sound navigation ranging use echoes 9sound waves) to map the ocean floor |
| submersibles | self-propelled underwater craft |
| bathysphere | round capsule that is lowered into the ocean by a cable |
| bathyscaph | free-moving like a submarine |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.