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Eighth Grade (Grade 8) Oceanography and Hydrology Questions

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Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
Most tsunamis are caused by which of the following?
  1. meteors
  2. underwater earthquakes
  3. hurricanes
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
What is NOT a part of the water cycle?
  1. condensation
  2. evaporation
  3. transpiration
  4. bacteria
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
Point C on the diagram best depicts which of these geologic processes?
Meandering River
  1. erosion
  2. lithification
  3. subduction
  4. metamorphism
Grade 8 Oceanography and Hydrology
What have scientists used to map the ocean floor?
  1. a map
  2. submarines
  3. sonar
  4. drilling
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
Permeable materials allow water to easily flow through them. Which of the following is the most permeable material?
  1. sediment with large pore spaces that connect together
  2. sediment with small pore spaces that connect together
  3. sediment with large pore spaces that do not connect together
  4. sediment with small pore spaced that do not connect together
Grade 8 Oceanography and Hydrology
Mild temperatures found in Northern and Western Europe can be attributed to which of the following?
  1. Labrador Current
  2. The Gulf Stream
  3. Equatorial Current
  4. Greenhouse Effect
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
The process by which molten material adds new oceanic crust to the ocean floor is called
  1. organic rock.
  2. mid-ocean ridge.
  3. rock cycle.
  4. seafloor spreading.
Grade 8 Oceanography and Hydrology
The gravitational force of the Moon on Earth’s oceans is stronger than the gravitational force of the Sun because the
  1. Moon’s air resistance keeps it from moving.
  2. Moon is smaller than the Sun.
  3. the Sun is made only of gas.
  4. Moon is closer to Earth than the Sun.
Grade 8 Oceanography and Hydrology
Grade 8 Oceanography and Hydrology
Semidiurnal tides cause ocean water levels to rise and fall every
  1. 6 hours.
  2. 10.5 hours.
  3. 12.5 hours.
  4. 24 hours.
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