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Seventh Grade (Grade 7) Oceanography and Hydrology Questions

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Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology

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Grade 7 Oceanography and Hydrology
The rise and fall of water on Earth is caused mainly by
  1. the Moon's gravity.
  2. the tilted axis of Earth.
  3. the Moon's phases.
  4. changes in the weather.
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
A delta is made up of sediments
  1. deposited at the mouth of a river.
  2. deposited on the inside of a meander loop.
  3. deposited at the headwaters of a river.
  4. deposited on the outside of a meander loop.
Grade 7 Oceanography and Hydrology
The process by which molten material adds new oceanic crust to the ocean floor.
  1. continental drift
  2. seafloor spreading
  3. plate tectonics
  4. rift valley
Grade 7 Oceanography and Hydrology
What is it called when two oceanic plates move apart and new crust is formed?
  1. continental drift
  2. Pangaea
  3. seafloor spreading
  4. erosion and weathering
  5. cementation and compaction
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
The most common source of energy for surface waves is
  1. wind.
  2. earthquakes.
  3. tides.
  4. volcanoes.
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
Grade 7 Oceanography and Hydrology
What is the process that continually adds new material to the ocean floor called?
  1. continental drift
  2. subduction
  3. seafloor spreading
  4. earthquakes
Grade 7 Oceanography and Hydrology
Ocean currents are mainly caused by which two factors?
  1. winds and earthquakes
  2. volcanoes and tides
  3. winds and density differences
  4. tides and water density differences
Grade 7 Oceanography and Hydrology
The effect of the Sun heating the ocean makes the water near the top of the ocean
  1. warmer than the water at the bottom.
  2. cooler than the water at the bottom.
  3. the same as the water at the bottom.
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