Term
Yes or No
The deepest measured depth of the ocean is about 11,000 m (36,000 ft). |
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Definition
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Term
Yes or No
Underwater landslides (or mudslides) are called turbidity currents. |
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Definition
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Term
Yes or No
The largest barrier reef in the world is found off the coast of Africa. |
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Definition
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Term
Yes or No
Seawater has a lower freezing point than fresh water. |
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Definition
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Term
| Be able to label oceanic trench on a diagram. |
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Definition
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Term
| Be able to label mid-ocean ridge on a diagram. |
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Definition
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Term
| Be able to label guyot on a diagram. |
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Definition
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Term
| Be able to label continental shelf on a diagram. |
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Definition
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Term
| Be able to label continental rise on a diagram. |
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Definition
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Term
| Be able to label abyssal plain on a diagram. |
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Definition
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Term
| In general, the speed of sound in seawater ______ from the surface to the bottom. |
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Definition
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Term
| In general, seawater temperature _____ from the surface to the bottom. |
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Definition
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Term
| The shallow, submerged edges of a continent are called ________________. |
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Definition
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Term
| ________ sea level is the average sea level measured over a period of many years and is point of zero elevation for many purposes. |
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Definition
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Term
| ______ are sections of the oceans that are more or less surrounded by land. |
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Definition
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Term
| An oceanographer is a(n) ______ scientist. |
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Definition
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Term
Which of these is the main chemical building block of all living things?
-carbon
-hydrogen
-nitrogen
-oxygen |
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Definition
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Term
| Sound travels in seawater... |
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Definition
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Term
| The term brackish is most closely related to the ______ of a sample of water. |
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Definition
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Term
Which of the following gases is more abundant in the lighted zones near the surface than in the dark regions of the ocean?
-argon
-carbon dioxide
-nitrogen
-oxygen |
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Definition
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Term
| The most abundant salt found in ocean water is... |
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Definition
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Term
| How much mineral salt does 1000 g of seawater contain? |
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Definition
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Term
| Coral reefs are formed from... |
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Definition
| the joined calcium carbonate skeletons of millions of small animals called polyps. |
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Term
| A coral reef separated from the mainland by a lagoon is a(n)... |
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Definition
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Term
| The deep relatively flat zones of the ocean basins form the... |
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Definition
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Term
| This forms when large waves first break and drop sand. |
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Definition
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Term
| Global mean sea levels currently are... |
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Definition
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Term
| The mathematical model that approximates the earth's average surface elevation is called the... |
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Definition
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Term
| Which ocean covers the largest percentage of the earth's surface? |
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Definition
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Term
| When water is described as potable, it is... |
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Definition
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Term
| About what percentage of the earth's surface is covered by oceans? |
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Definition
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Term
| Tell how the temperature, pressure, and density of water would most likely change as you ascended from the floor of the ocean to the surface. In other words, would each decrease or increase? |
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Definition
| Temperature would increase, pressure would decrease, and density would decrease. |
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Term
| Why is the current salinity of the world's oceans a problem for old-earth geologists? |
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Definition
| If the earth is as ancient as they believe it is, the oceans should be far saltier than they are. |
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Term
| Why are coral reefs found mainly in relatively shallow water? |
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Definition
| Only in shallow water is there sufficient light for growth of the coral animals. |
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