3-b The Vast Ocean Honors Assessment
Questions and Answers
- 1.
Choose the answer(s) that are the MOST accurate.
- A.
Thirty percent of the Earth is covered by land.
- B.
The Indian Ocean is the largest ocean
- C.
Approximately 70 % of the Earth is covered by water.
- D.
The mid-ocean ridges are the longest mountain ranges on the Earth
Correct Answer(s)
A. Thirty percent of the Earth is covered by land.
C. Approximately 70 % of the Earth is covered by water.
D. The mid-ocean ridges are the longest mountain ranges on the EarthExplanation
The given answer choices are the most accurate because they provide correct information about the Earth's land coverage, water coverage, and the longest mountain ranges. The statement "Thirty percent of the Earth is covered by land" is accurate as land covers approximately 30% of the Earth's surface. The statement "Approximately 70% of the Earth is covered by water" is also accurate as water covers around 70% of the Earth's surface. Lastly, the statement "The mid-ocean ridges are the longest mountain ranges on the Earth" is accurate as the mid-ocean ridges extend thousands of kilometers and are considered the longest mountain ranges on Earth.Rate this question:
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- 2.
A big crack in the ocean floor?
- A.
Abyssal plain
- B.
Trench
- C.
Volcanic island
Correct Answer
B. TrenchExplanation
A trench is a long, narrow, and deep depression in the ocean floor. It is formed when two tectonic plates converge, and one plate is forced beneath the other, creating a deep trench. Trenches are usually associated with subduction zones, where one plate is being pushed beneath another. They are characterized by steep sides and can reach depths of several kilometers. In contrast, an abyssal plain refers to a flat and relatively featureless area of the ocean floor, while a volcanic island is formed by volcanic activity and rises above the ocean surface. Given the description of a big crack in the ocean floor, the most appropriate answer would be a trench.Rate this question:
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- 3.
Between the continental shelf and a continental rise?
- A.
Volcanic island
- B.
Seamount
- C.
Continental slope
Correct Answer
C. Continental slopeExplanation
The continental slope is the correct answer because it is the steeply sloping edge of the continental shelf that leads to the deeper ocean floor. It is the transition zone between the shallow continental shelf and the deep ocean basin. The continental slope is characterized by its steep gradient and can reach depths of several thousand meters. It is often marked by submarine canyons and is an important habitat for a variety of marine life.Rate this question:
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- 4.
A large,flat surface of fossils?
- A.
Abyssal plain
- B.
Seamount
- C.
Trench
Correct Answer
A. Abyssal plainExplanation
An abyssal plain is a large, flat surface that is typically found on the ocean floor and is covered with a thick layer of sediment. These plains are formed by the accumulation of sediment over millions of years, including the remains of dead marine organisms such as fossils. The flatness of the abyssal plain is due to the slow deposition of sediment and the absence of significant geological activity in this area. Therefore, it is a suitable explanation for a large, flat surface of fossils.Rate this question:
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- 5.
A mountain in the ocean?
- A.
Continental shelf
- B.
Trench
- C.
Seamount
Correct Answer
C. SeamountExplanation
A seamount is a mountain that rises from the ocean floor but does not reach the surface. It is formed by volcanic activity and can be found in various locations in the ocean. The other options mentioned, continental shelf and trench, do not fit the description of a mountain in the ocean. A continental shelf is a shallow, submerged area near the shore, while a trench is a deep, narrow depression in the ocean floor. Therefore, seamount is the correct answer.Rate this question:
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- 6.
Between the slope and shoreline?
- A.
Volcanic island
- B.
Trench
- C.
Abyssal plain
- D.
Continental shelf
Correct Answer
D. Continental shelfExplanation
The continental shelf is the correct answer because it refers to the gently sloping underwater extension of a continent. It is located between the shoreline and the slope. The continental shelf is relatively shallow and is part of the continental crust. It is an important area for marine life and is often used for fishing, oil and gas exploration, and other economic activities.Rate this question:
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- 7.
Some robots explore the ocean for years at times and send data back to scientist at the surface. What type of robot is this?
- A.
Drone
- B.
Cyborge
- C.
Bionic
Correct Answer
A. DroneExplanation
This type of robot is called a drone because it is capable of exploring the ocean for extended periods of time and transmitting data to scientists on the surface. Drones are commonly used for various purposes, including aerial surveillance, photography, and scientific research. In this case, the drone is specifically designed for underwater exploration, allowing scientists to gather valuable information about the ocean environment without having to physically be present.Rate this question:
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- 8.
What is Geosat?
- A.
A sonar machine
- B.
A ship
- C.
A satellite
Correct Answer
C. A satelliteExplanation
Geosat refers to a satellite. A satellite is an object that orbits around a larger celestial body, such as the Earth. Satellites are used for various purposes, including communication, weather monitoring, navigation, and scientific research. Geosat, specifically, was a satellite launched by the United States Navy in 1985 to map the Earth's gravity field. It was designed to measure subtle variations in the Earth's gravitational pull, which helped scientists study ocean circulation, tides, and other geophysical phenomena.Rate this question:
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- 9.
Identify the Continental Shelf.
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
A. A -
- 10.
Identify the abyssal plains .
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. D -
- 11.
Which one of the following water bodies is the largest ocean?
- A.
Atlantic Ocean
- B.
Arctic Ocean
- C.
Indian Ocean
- D.
Pacific Ocean
- E.
Aral Sea
Correct Answer
D. Pacific OceanExplanation
The Pacific Ocean is the largest ocean in the world. It covers an area of about 63 million square miles, which is more than twice the size of the second largest ocean, the Atlantic Ocean. The Pacific Ocean is also the deepest ocean, with the Mariana Trench being the lowest point on Earth. It is located between the eastern coastlines of Asia and Australia and the western coastlines of the Americas. The Pacific Ocean is known for its vastness, diverse marine life, and important role in regulating global climate patterns.Rate this question:
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- 12.
The true edge of the continent is the continental slope
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The continental slope is the steeply sloping region between the continental shelf and the deep ocean floor. It marks the true edge of the continent as it represents the transition from the shallow continental shelf to the deep oceanic abyss. This area is characterized by a significant increase in water depth and is often associated with underwater canyons and sediment deposition. Therefore, it is correct to say that the true edge of the continent is the continental slope.Rate this question:
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- 13.
The ____________ are likely the most level places on Earth
- A.
Guyots
- B.
Deep-ocean trenches
- C.
Mid-ocean ridges
- D.
Continental slopes
- E.
None of the above
Correct Answer
E. None of the aboveExplanation
The question asks for the most level places on Earth, and none of the options provided (guyots, deep-ocean trenches, mid-ocean ridges, continental slopes) are known for being level. Guyots are underwater mountains with flat tops, deep-ocean trenches are deep and narrow depressions, mid-ocean ridges are underwater mountain ranges, and continental slopes are the steep edges of continents where they meet the ocean floor. Therefore, none of these options are likely to be the most level places on Earth.Rate this question:
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- 14.
Access this website and then Choose the BEST answer(s) that describe an OCEAN TRENCH. http://www.sciencedaily.com/articles/o/oceanic_trench.htm
- A.
The deepest part of the ocean
- B.
Trenches are distinctive of convergent boundaries
- C.
The deepest ocean depth ever sounded was in the Challenger Deep of the Mariana Trench.
- D.
35798 ft is approximately 8.5 miles.
Correct Answer(s)
A. The deepest part of the ocean
B. Trenches are distinctive of convergent boundaries
C. The deepest ocean depth ever sounded was in the Challenger Deep of the Mariana Trench.Explanation
An ocean trench is the deepest part of the ocean and is typically found at convergent boundaries. The Challenger Deep of the Mariana Trench holds the record for the deepest ocean depth ever measured, reaching a depth of approximately 35,798 feet, which is equivalent to around 8.5 miles.Rate this question:
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- 15.
Read the Question below, Access the website then gather information that will help you answer the question. http://www.sciencedaily.com/releases/2007/04/070413151129.htm We have studied hydrothermal vents since they were discovered ________ yrs ago. Most of the vents can be found at the ______________________________, of fast moving tectonic plantes. Scientists have been studying "slow-moving" plates for at least ____________ years now. But accessing these vents has been very difficult because of their ___________________________.
- A.
50, continental margin, 40, location
- B.
40, continental shelf, 20, location
- C.
30, mid-ocean ridges, 10, location
- D.
120, continental slope, 5, location
Correct Answer
C. 30, mid-ocean ridges, 10, locationExplanation
Hydrothermal vents have been studied for 30 years since they were discovered. Most of the vents can be found at mid-ocean ridges, which are fast-moving tectonic plates. Scientists have been studying "slow-moving" plates for at least 10 years now. Accessing these vents has been difficult because of their location.Rate this question:
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- 16.
Approximately how much of Earth's surface is covered by water?
- A.
50 %
- B.
30 %
- C.
70 %
- D.
40 %
Correct Answer
C. 70 %Explanation
Approximately 70% of Earth's surface is covered by water. This is due to the presence of large oceans, seas, lakes, and rivers around the world. Water plays a crucial role in many natural processes and is essential for the survival of various species. The vast amount of water on Earth also helps regulate the planet's climate and temperature.Rate this question:
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- 17.
What technology do scientists use to measure ocean depth?
- A.
Sonar
- B.
Laser
- C.
Rope
- D.
Submersible
Correct Answer
A. SonarExplanation
Scientists use sonar technology to measure ocean depth. Sonar stands for Sound Navigation and Ranging, and it works by emitting sound waves into the water and measuring the time it takes for the sound waves to bounce back. By calculating the time it takes for the sound waves to travel and return, scientists can determine the depth of the ocean. Sonar is an effective method for measuring ocean depth because sound waves travel faster in water than in air, allowing for accurate and precise measurements.Rate this question:
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- 18.
There are 4 major Ocean Basins. Please choose the correct answer(s).
- A.
Anartic Ocean
- B.
Arctic Ocean
- C.
Dead Sea.
- D.
Atlantic Ocean
- E.
Indian Ocean
- F.
Pacific Ocean
- G.
Thethys Sea
Correct Answer(s)
B. Arctic Ocean
D. Atlantic Ocean
E. Indian Ocean
F. Pacific OceanExplanation
The correct answer includes the Arctic Ocean, Atlantic Ocean, Indian Ocean, and Pacific Ocean. These are the four major ocean basins recognized globally. The Arctic Ocean is located in the northernmost part of the Earth and is partially covered by ice. The Atlantic Ocean is the second largest ocean and lies between the Americas to the west and Europe and Africa to the east. The Indian Ocean is the third largest ocean and is located between Africa, Asia, and Australia. The Pacific Ocean is the largest and deepest ocean, covering more than one-third of the Earth's surface.Rate this question:
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- 19.
This image was MOST likely taken from the ________________________.
- A.
Continental margin
- B.
Seamounts
- C.
Abyssal plains
- D.
Continental shelf
Correct Answer
C. Abyssal plainsExplanation
The image is most likely taken from the abyssal plains because these are the flat, deep oceanic areas that lie beyond the continental shelf. Seamounts are underwater mountains, the continental margin refers to the transition zone between the continental shelf and the deep ocean, and the continental shelf is the shallow, submerged extension of a continent. Therefore, the abyssal plains are the most suitable option for the location of the image.Rate this question:
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- 20.
SONAR is also
- A.
Microwave waves.
- B.
Echo sounding.
- C.
A pulmonary embolism.
Correct Answer
B. Echo sounding.Explanation
SONAR stands for Sound Navigation and Ranging. It is a technique that uses sound waves to navigate, communicate, and detect objects underwater. Echo sounding is a specific application of SONAR where sound waves are emitted and the time it takes for them to bounce back (echo) is measured to determine the depth of the water or to detect underwater objects. Microwave waves and a pulmonary embolism are unrelated to SONAR and do not fit the context of the question.Rate this question:
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- 21.
Choose the BEST answer(s). How did oceanographers obtain Crater Lake's bathymetry?
- A.
Sonar
- B.
Divers
- C.
Photographs
- D.
Satellite
Correct Answer
D. SatelliteExplanation
Oceanographers obtained Crater Lake's bathymetry using satellite technology. Satellites can collect data about the Earth's surface, including the depth of bodies of water like Crater Lake. This data is then used to create bathymetric maps, which show the underwater topography of the lake. By using satellite imagery, oceanographers can accurately determine the depth and shape of Crater Lake's underwater features without the need for divers or photographs.Rate this question:
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- 22.
The _______________________________ reef is the largest reef in the world.
- A.
Reefs of Bora Bora
- B.
Great Barrier Reef
- C.
Cozumel Reefs
Correct Answer
B. Great Barrier ReefExplanation
The Great Barrier Reef is the correct answer because it is widely known as the largest reef in the world. It is located off the coast of Queensland, Australia and stretches over 2,300 kilometers. It is home to a diverse range of marine life and is a popular tourist destination for snorkeling and diving. The other options, Reefs of Bora Bora and Cozumel Reefs, are not as well-known or as large as the Great Barrier Reef.Rate this question:
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- 23.
What factors lead to the death of the Choral Reef at Fuji Island?
- A.
Overfishing
- B.
2 degrees increase in the ocean water
- C.
Siltation
- D.
Cooler water temperatures
Correct Answer(s)
A. Overfishing
B. 2 degrees increase in the ocean water
C. SiltationExplanation
The death of the Choral Reef at Fuji Island can be attributed to several factors. Overfishing has likely played a significant role, as it disrupts the delicate balance of the ecosystem by removing key species that help maintain the health of the reef. Additionally, a 2 degrees increase in the ocean water temperature can lead to coral bleaching, causing the reef to lose its vibrant colors and eventually die. Siltation, the deposition of sediment on the reef, can smother the coral and hinder its ability to obtain sunlight and nutrients. These combined factors have likely contributed to the demise of the Choral Reef at Fuji Island.Rate this question:
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- 24.
Satellites measure the ocean floor using ________________________ .
- A.
Light
- B.
Sound
- C.
Microwaves
Correct Answer
C. MicrowavesExplanation
Satellites measure the ocean floor using microwaves. Microwaves are electromagnetic waves with a shorter wavelength than radio waves. They can penetrate the water surface and reach the ocean floor, allowing satellites to gather data and create maps of the ocean floor topography. Microwaves are ideal for this purpose as they can provide accurate measurements and detailed images of the ocean floor features.Rate this question:
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- 25.
Choose the answer below that is the MOST CORRECT order of the Ocean BASINS from SMALLEST to LARGEST.
- A.
Atlantic, Pacific, Indian, Arctic
- B.
Arctic, Indian, Pacific, Atlantic
- C.
Pacific, Indian, Atlantic, Arctic
- D.
Arctic, Indian, Atlantic, Pacific
Correct Answer
D. Arctic, Indian, Atlantic, PacificExplanation
The correct answer is Arctic, Indian, Atlantic, Pacific. This order is based on the size of the ocean basins, with the Arctic Ocean being the smallest and the Pacific Ocean being the largest. The Indian Ocean is larger than the Arctic Ocean but smaller than the Atlantic Ocean, which is larger than both the Indian and Arctic Oceans.Rate this question:
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- 26.
Compare AND Contrast shallow sea coral with deep sea coral. Pay special attention to food sources.
- 27.
Tell me about the POMPEII worms.....
.jpg "Identify the Continental Shelf.")
.jpg "Identify the abyssal plains
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