Please be sure to study all notes that were given during class for this unit



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Name:__________________________________________

Study Guide for test on Oceans (Hydrosphere)

PLEASE BE SURE TO STUDY ALL NOTES THAT WERE GIVEN DURING CLASS FOR THIS UNIT!!!

ALSO, USE THE VOCABULARY “cheat sheet” THAT WAS GIVEN DURING THE BINGO GAMES AS A QUICK REFERENCE TO OUR VOCABULARY. KNOW ALL OF THE WORDS ON THE LISTS!!!

***This study guide may or may not include items from the test. You are responsible for ALL content on notes. If you want to get a good grade, then you NEED TO STUDY.***



Label the diagram of ocean floor features. This will be drawn on the board in class. If you are absent, please refer to the diagram we drew in class with the ocean zones and features labeled on it (there are also definitions written on the back of this)

1._____________________________

2._____________________________

3._____________________________

4._____________________________

5._____________________________

6._____________________________

7._____________________________



8._____________________________

Multiple Choice

  1. The area where the underwater edge of a continent meets the ocean floor is called:

  1. Continental Slope

  2. Continental Margin

  3. Continental Shelf

  4. Abyssal Plain

Multiple Choice Continued

  1. What produced our ocean floor?

  1. Trenches

  2. Seamounts

  3. Estuary

  4. Seafloor Spreading



  1. These form an almost continuous mountain belt along the ocean floor:

  1. Mid Ocean Ridges

  2. Seamounts

  3. Guyots

  4. Continental Slope



  1. These run along the middle of the mid ocean ridges between the rows of parallel mountains are deep crevices. They are areas of great volcanic and earthquake activity.

  1. Mid Ocean Ridges

  2. Submarine Canyons

  3. Guyots

  4. Rifts



  1. Whales , seals , dolphins, squid, octopus, barracuda and other fish are all:

  1. Nekton

  2. Benthos

  3. Plankton

  4. Don’t choose this answer



  1. These float at or near the surface where sunlight can penetrate:

  1. Nekton

  2. Benthos

  3. Plankton

  4. Don’t choose this answer



  1. These are organisms that live on the ocean floor. Forms of this include crustaceans and shell fish. Some are plants that live on the ocean floor in shallow waters where sun can penetrate.

  1. Nekton

  2. Benthos

  3. Plankton

  4. Don’t choose this answer



  1. These grow in cold neritic waters where the ocean has a rocky floor:

  1. Coral Reef

  2. Kelp Forests

  3. Mangroves

  4. Salt Marshes



  1. This zone extends to a depth of 200 meters and receives plenty of sunlight.

  1. Intertidal zone

  2. Open ocean zone

  3. Bathyal zone

  4. Neritic zone



  1. This zone covers the large flat plains of the ocean. No sunlight can penetrate and food is scarce. The water pressure is great.

  1. Abyssal (ocean floor) zone

  2. Surface zone

  3. Abyssal (slope) zone

  4. Neritic zone



  1. What part of a river system has salty water?

  1. flood plain

  2. estuary

  3. tributaries

  4. watershed



  1. Which kinds of animals breed in estuaries?

  1. shellfish

  2. fish

  3. waterfowl

  4. all of the above



  1. Why are oceans important to people?

  1. They provide useful resources and livelihoods for many people

  2. They are the primary source of salt for the world’s people.

  3. They provide drinking water to many coastal communities.

  4. They prevent the formation of destructive storm systems.



  1. Which part of a river system is most likely to experience tides?

  1. estuary

  2. tributary

  3. flood plain

  4. valley



  1. In what layer of the ocean do scientists start to see animals with bioluminescence?

  1. Sunlight zone

  2. Midnight zone

  3. Twilight zone

  4. Abyssal zone



  1. What resources do people drill into the ocean floor for?

  1. Salt

  2. Calcium

  3. Aluminum

  4. Oil



  1. To live in the abyssal zone, what must an animal be able to do?

  1. Hide from the many species of predators found there?

  2. Resist the great pressure

  3. Produce its own food through photosynthesis

  4. Swim quickly back to the surface



  1. Why can’t divers explore the deep ocean floor?

  1. They have no way to breathe underwater.

  2. There is nothing to explore.

  3. There is too much pressure.

  4. There are dangerous animals.



  1. What is the process that brings nutrient rich waters up from the ocean floor?

  1. Upwelling

  2. Downwelling

  3. Ocean currents

  4. Circulation



  1. What do scientists use to map the ocean floor?

  1. Sonar

  2. Sondes

  3. Submersibles

  4. scuba

True or False

  1. 97% of the surface of the Earth is covered by water. _______________________

  2. All the oceans and seas are actually one continuous body of water. _________________

  3. The zone where the water is mixed by waves and currents is called the surface zone. ___

  4. The Atlantic Ocean is the largest ocean on Earth. ___________________

True or False continued

  1. A continental margin consists of a continental shelf, continental slope, and continental rise. _______________________

  2. Tectonic plates are what shaped the dramatic features of the ocean, such as mountains and trenches. _________________________________

  3. Salinity describes the amount of oxygen dissolved in the water. _______________

  4. A food web is all the feeding relationships that exist in a habitat. ________________

  5. Ocean water is 85% pure water. _____________________

Fill in the blank. Choose the word that correctly completes each sentence.

Vocabulary



  • Guyots

  • Plankton

  • Nekton

  • Estuary

  • Bioluminescence

  • Hydrothermal vent

  • Challenger Deep

  • Oceanographers

  • SONAR

  • Satellites

1. _________________________ use sound waves to calculate the distance to an object. This is used to map the ocean floor.

2. A ___________________________ is a coastal inlet or bay where fresh water from a river mixes with salty ocean water.

3. In the depths of the ocean, deep sea creatures use ________________________ to attract prey. It is also theorized that they some organisms use this to scare away predators and attract mates.

Fill in the blank continued

4. ________________________are the main food for many larger organisms. They account for most of the organisms in the ocean.

5. Flat-topped seamounts are called ______________________.

6. ______________________________ is the name of the deepest spot in the ocean, which is located in the Mariana Trench.

7. People who study the ocean are called _____________________________.

8. ___________________________ are an area in which heated ocean water rises through the cracks of ocean floor.



9. ____________________________ are free-swimming organisms that feed on nekton as well as plankton.

10. _____________________________ allow for data to be obtained quickly and from large regions. Such data includes water temperatures, algae growth patterns, and even the movement of large schools of fish


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