Oceanography essay

Oceanography 116

Spring 2021

Final Exam Test Review

This is a list of all the things we have covered so far this year. I am working on

creating your final exam.

First do not panic, your final will not be this long. I will make your final

from this review. There will be about 20 – 25 questions total on the final

exam. I will pick 2 or 3 questions from each section for the final. For some

exam questions I will combine questions into one more open-ended type

question. For math-based questions, like density and ocean sediment, I will

change some of the numbers.

If I add any new questions to an existing group I will write the new question in Red

Week 1: Why is the Ocean Important?

1. Why is Oceanography considered an interdisciplinary Science?

2. Why is the ocean important?

Lesson #1: To Protect our Oceans

1. What does Sylvia Earle mean when she refers to the ocean as our “life support system?”

2. Do you agree or disagree that “health to the ocean means health to us?” Explain

3. What can you do to help protect our oceans?

Lesson #2: Density

1. What is density?

2. What equation do you use to calculate density?

3. Why do things float or sink?

4. What happens if liquids of different densities are put into the same container?

5. How do you find the density of an object?

6. What is the density of a metal block that has a volume of 150 cm3 and a weight of 675 g?

Lesson #3: Water Source

1. Why does each video remove salt water from the drinking water equation?

2. Where is most of the world’s fresh water used for?

3. Where is Earth surface water mostly located?

4. Where does Los Angeles get most of its fresh water?

5. What are a few ways that you can reduce your water requirement?

Lesson #4: Hydrosphere

1. Why is Earth referred to as the “blue planet?

2. Where is most of the world’s fresh water stored?

3. Name two other naturally forming water reservoirs?

4. Other than water molecules, what else do rivers carry to the ocean?

5. How humans are interconnected with the hydrosphere, especially the ocean.

Lesson #5: Plastic Ocean Pollution

1. What is the Great Pacific garbage patch?

2. Where is the GPGP?

3. How big is the GPGP?

4. How was the GPGP discovered?

5. How does plastic from the USA get to the middle of the Pacific Ocean?

6. How long does it take plastics in the ocean to degrade?

7. Why would fish and other animals confuse plastics for food?

8. How do plastics move up the food chain?

9. Can micro plastics found in fish hurt people?

Lesson #6: Sea Floor Spreading and Plate Tectonics

1. Name the three types of plate boundaries.

2. The crust and upper mantle make up what layer of the Earth?

3. What is the driving force that causes the Earth’s plates to move?

4. Ocean Trenches are found at what type of plate boundary.

5. The Mid-Atlantic Ridge is the result of what type of plate boundary.

6. The San Andreas Fault is an example of what type of plate boundary.

7. What is a Hot Spot?

8. Make a drawing of each type of plate boundary.

a. Draw arrows to show the direction that each plate is moving.

b. Write what types of geological events are found at this boundary.

c. Name a place on Earth where this boundary can be found.

9. What are a few ways that we can all be prepared for the next big EarthQuake?

Lesson #7: Plate Tectonics Webquest

1. What are the four major layers of the Earth and what are they made of?

2. What is the lithosphere?

3.What is the difference between oceanic crust and continental crust?

4. What are the three types of plate boundaries?

5. Where on Earth’s crust are each of these boundaries found? Give one example.

6. What type of geological events happen at each type of plate boundary?

7. What is the driving force of plate tectonics?

Lesson #8: Waves

1. Describe the motion of water molecules within a wave.

2. What happens to a wave as it reaches shore?

3. Explain why waves become parallel to the shoreline no matter what direction they

come from.

4.What is a longshore current?

5.What is littoral drift?

6.Explain why when you spend time swimming in the ocean periodically you have to

get out of the water and walk back up the sand to your towel? (think about littoral


7.What is a storm surge?

8.What are the three factors that create a fully developed sea?

9.What is meant by a wave can “feel the bottom”

Lesson #9: Tides

1. Explain how the phases of the moon control the tidal range? Refer to spring tides

and neap tides in your answer.

2. When given a tide chart can you answer the following questions?

a. On what day and time are the highest or lowest tides recorded?

b. When is the least tidal range?

3. How does the difference between a lunar day and a solar day change the time of

high and low tide?

4. How can tides be used to create low carbon emitting energy?

5. May 26 was a full moon.

When will the next full moon be?

When will the next new moon be?

Lesson #10: Ocean Sediments

1. What are the five types of ocean sediments according to their origins?

2. What is the source for each type of sediment?

3. What is organic ooze made of?

4. What makes Red Clay red?

5. Why is there no calcium carbonate in deep ocean floors?

6. What does red clay in a core sample tell us?

7. This will not be on your final exam

Be able to calculate the accumulation of ocean floor sediments.

a. Red clay on the deep sea floor accumulates at a rate if 1mm per 1,000

years. Calcareous ooze accumulates at a rate of 1 mm. per 100 years.

b. How much time would a core meters in length represent if it

contains 7 meters of ooze and 3 meters of red clay?

Lesson #11: Hurricanes

1. Why are hurricanes considered polite disasters?

2. What factors will determine the amount of damage and cost of a hurricane?

3. What is the difference between a hurricane warning and a hurricane watch?

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