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Hydrosphere Gr.10
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What is an iceberg?
A piece of glacier that broke off and went in the water.
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What is the cryosphere?
All frozen water (ice floes and glaciers)
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List 3 factors that affect ocean water temperature.
Depth, season, latitude
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What is hydraulic energy? Be specific.
The energy of moving water
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In a hydroelectric power plant, where can energy transformation happen?
At generator
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Another word for "catchment area" is w__________.
Watershed
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TRUE or FALSE: Permafrost is part of the hydrosphere because it contains ice.
False
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What states of matter are included in the hydrosphere?
Solid, liquid and gas
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In a hydroelectric power plant, where can energy transfer happen? (Two places)
At turbine, in electrical grid lines
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Complete this sentence: "In a catchment area, water cannot flow _____, only _____."
upstream, downstream
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What is the difference between ice floes and glaciers?
Ice floes (ice packs) are on water, glaciers are on land.
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What moves surface currents?
Wind
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TRUE or FALSE: Evaporation increases salinity.
True
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TRUE or FALSE: The permafrost is part of the cryosphere.
False
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What is a disadvantage of using underwater turbines in ocean current energy?
Expensive, Affects ecosystems (fish), etc.
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What is an advantage of using underwater turbines in ocean current energy?
Renewable, No emissions
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What moves subsurface currents?
Changes in density / Temperature and salinity differences
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What is a disadvantage of using buoys in wave energy?
Expensive
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List the 5 factors that affect how water flows over a catchment area.
Topography, Vegetation, Climate, Geology, Human activity
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What is an advantage of using buoys in wave energy?
Renewable, No emissions
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TRUE or FALSE: Wave energy uses underwater turbines.
False
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