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Tenth Grade (Grade 10) Oceanography and Hydrology Questions

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Grade 10 Oceanography and Hydrology

This question is a part of a group with common instructions. View group »

In general, which point on the diagram is undergoing the greatest rate of erosion?
  1. A
  2. B
  3. C
  4. D
Grade 10 Oceanography and Hydrology
This hole in the deep seafloor releases hot fluid heated by magma.
  1. abyssal plain
  2. mid-ocean ridge
  3. volcano
  4. hydrothermal vent
Grade 10 Oceanography and Hydrology
The                 contain 97% of the water found on Earth.
  1. rivers
  2. lakes
  3. oceans
  4. frozen ice caps
Grade 10 Oceanography and Hydrology
Which of the following is a landform created by wave erosion?
  1. an estuary
  2. an elevated marine terrace
  3. a sea stack
  4. a tombolo
Grade 10 Oceanography and Hydrology
For permafrost to exist, the average yearly temperature must be                             for                             years?
  1. Below -10°C; less than one
  2. Below 0°C; two or more
  3. Above 0°C; two or more
  4. At 0°C; more than two years
Grade 10 Oceanography and Hydrology
What is the top layer of permafrost called?
  1. Inactive layer
  2. Permafrost layer
  3. Periglacial layer
  4. Active layer
Grade 10 Oceanography and Hydrology
Which community will have permafrost all year?
  1. Hay River
  2. Fort Smith
  3. Behchoko
  4. Inuvik
Grade 10 Oceanography and Hydrology
The periglacial structure found below is called what?
  1. Pingo
  2. Palsas
  3. Frost heave
  4. Ice lens
Grade 10 Oceanography and Hydrology
Water moving parallel to the shore is called
  1. tidal current.
  2. beach drift.
  3. rip current.
  4. longshore current.
Grade 10 Oceanography and Hydrology
What percentage of ocean water is made up of salts?
  1. 3.5%
  2. 35%
  3. 5%
  4. 10%
Grade 10 Oceanography and Hydrology
These are large depressed crevices in the deep ocean floor.
  1. deep-sea trenches
  2. hydrothermal vents
  3. shelf break
  4. ocean crust
Grade 10 Oceanography and Hydrology
What are benthos?
  1. ocean animals that actively swim
  2. marine organisms that drift with the current
  3. newly hatched fish and crabs
  4. plants and animals living on or in the seafloor
Grade 10 Oceanography and Hydrology
This type of organism uses molecules released by the hydrothermal vent to produce energy.
  1. sea horses
  2. photosynthetic organisms
  3. chemosynthetic organism
  4. deep sea fish
Grade 10 Oceanography and Hydrology

This question is a part of a group with common instructions. View group »

Deposition occurs at                 partly because water velocity                .
  1. A; increases
  2. C; increases
  3. A; decreases
  4. C; decreases
Grade 10 Oceanography and Hydrology
A breaker forms when wavelength                      and wave height                      as the wave nears the shore.
  1. decreases; increases
  2. increases; decreases
  3. decreases; decreases
  4. increases; increases
Grade 10 Oceanography and Hydrology
Which feature of the ocean floor are cut by turbidity currents?
  1. longshore bars
  2. submarine canyons
  3. abyssal plains
  4. baymouth bars
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