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