Science Chapter 8
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33 terms
Terms | Definitions |
|---|---|
 Cod | fish that is caught for its meat and for the oil in its liver, which is high in vitamins A & D |
| Salmon | unique fish that leaves the ocean and returns to the stream where it was born to lay its eggs |
| Manta Ray | has huge winglike fins which make it appear to fly through the water |
| Whale Shark | the largest fish of all |
| Grenadiers, viper fish | are strange because of their huge mouths and sharp teeth |
| White Shark | this fish is a man-eater |
| Blue Whale | largest animal that has ever lived |
| Sperm Whale | hunted for its oil and ambergris |
| Octopus | invertebrate that has the largest brain and is thought to be the most intelligent |
| Gills | fish use these to get oxygen from the water |
| Continental Shelf | contains flourishing plant life |
| Continental Shelf | is along the edges of the continents |
| Continental Shelf | Made primarily of mud and sand deposited by rivers |
| Continental Shelf | contains most of the fish that are caught to be sold for food |
| Continental Shelf | contains rich oil fields |
| Sand | produced by churning waves making minerals and rocks into particles |
| Salt | sea water is denser than fresh water because it contains |
| Oceanography | the scientific study of the sea or ocean |
| Pacific Ocean | Ocean where the Mariana Trench is located |
| Wind | waves are caused by this |
| 28.5°F | sea water freezes at this temperature |
| Mammals | Blue Whale, Dolphin, Porpoise |
| Fish | salmon, tuna, white shark |
| Invertebrates | jellyfish, octopus, sponge, oyster |
| Ocean Floor | the bottom of the ocean |
| Ocean Floor | contains long mountain ranges called oceanic ridges |
| Ocean Floor | contains underwater volcanoes |
| Continental Slope | has deep trenches at its base |
| Ocean Currents | are moved primarily by the wind |
| Matthew Maury | he made important discoveries about the "paths of the seas" |
| Ocean Currents | carry warm and cold water |
| Gulf Stream Current | allows the people of England to enjoy a moderate climate |
| Knowledge of Ocean Currents | helps make sea travel quicker |
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