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Fourth Grade (Grade 4) Oceanography and Hydrology Questions

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Grade 4 Oceanography and Hydrology
About what percentage of the water supply is fresh water?
  1. 97%
  2. 50%
  3. 2%
  4. 0%
Grade 4 Oceanography and Hydrology
All of the following natural processes on Earth recycle water, except for
  1. groundwater.
  2. precipitation.
  3. runoff.
  4. evaporation.
Grade 4 Oceanography and Hydrology
When                  pound against cracks in rocks on the shore they erode, and pieces of rocks break off and are carried away. The shoreline erodes, forming new landforms, such as                 .
  1. mudslide; rivers
  2. lakes; ponds
  3. waves; beaches
Grade 4 Oceanography and Hydrology
Water flows downhill. As the water flows downhill, it moves pieces of rock to new locations. This is an example of erosion. Which location would most likely have the faster rate of erosion?
  1. water flowing down a small hill
  2. water flowing down a steep mountain
Grade 4 Oceanography and Hydrology
If you are on land, you are in a watershed.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
What can happen when water covers land that is usually dry?
  1. a fire
  2. a flood
  3. a dust storm
  4. a tornado
Grade 4 Oceanography and Hydrology
A                 is a large body of land that is almost surrounded by water.
  1. lake
  2. strait
  3. peninsula
  4. barrier island
Grade 4 Oceanography and Hydrology
Which has the greatest effect on changing tides?
  1. time of the day
  2. length of the shoreline
  3. size of the Sun
  4. pull of the Moon's gravity
Grade 4 Oceanography and Hydrology
The water cycle is the movement of water from Earth's surface into the air and back to the surface again.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
What is it called when water falls to the ground and collects in lakes, rivers, and oceans?
  1. Evaporation
  2. Condensation
  3. Precipitation
  4. Accumulation
Grade 4 Oceanography and Hydrology
What is the name of the most common salt in the ocean?
  1. oxygen
  2. sodium chloride
  3. hydrogen
Grade 4 Oceanography and Hydrology
Rivers deposit large amounts of material when they flown into the ocean.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
A narrow body of water that connects two large bodies of water is called a(n)                .
  1. heat wave
  2. strait
  3. peninsula
  4. archipelago
Grade 4 Oceanography and Hydrology
There is more ocean on Earth's surface than there is land.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
Where does a water treatment plant get water from?
  1. Oceans
  2. Sink
  3. Lakes/Reservoirs
  4. Swimming pool
Grade 4 Oceanography and Hydrology
A water treatment plant is a process wherein the water undergoes a cleaning process to help make it safe for people to use.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
Which of the following does NOT determine the height of a wave?
  1. strength of the wind
  2. amount of time the wind blows
  3. up-and-down movement of water particles
  4. size of area over which wind blows
Grade 4 Oceanography and Hydrology
Water helps regulate a human's body temperature.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
The process where liquid water turns into vapor is evaporation.
  1. True
  2. False
Grade 4 Oceanography and Hydrology
What are the largest surface freshwater system (lake) in the U.S.?
  1. The Great Lakes
  2. Crater Lake
  3. Pyramid Lake
  4. Flathead Lake
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