Q1W5 ES Energy Sources
Presentation
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Science
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11th Grade
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Practice Problem
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Easy
MERLIE WASAWAS
Used 2+ times
FREE Resource
55 Slides • 15 Questions
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Match
Match the following temperatures to the type of geothermal energy.
Low-temperature geothermal energy
Medium – temperature geothermal energy
High – temperature geothermal energy
20°C to 90°C
90°C to 160°C
> 160°C
20°C to 90°C
90°C to 160°C
> 160°C
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Multiple Choice
How does a dry steam power plant work?
Hot water from underground is piped directly into turbines, which powers the generator
Hot steam from underground is piped directly into turbines, which powers the generator
Hot water from underground is pumped into a cooler temperature flash tank and the steam powers the generator
Hot steam from underground is pumped through a heat exchanger which heats a second liquid that transforms into a steam
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Reorder
Arrange in order how electricity is generated from a flash steam.
Fluid at temperatures greater than 360 °F (182 °C) is pumped under high pressure into a lower-pressure tank
Changes in pressure causes some of the fluid to rapidly vaporize, or "flash".
The vapor then drives a turbine, which drives a generator.
Remaining liquid in the tank are flashed again to a second tank to extract even more energy.
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Categorize
the oldest geothermal technology
uses hydrothermal fluids that are primarily steam
the most common type of geothermal power today
pulls deep, high-pressure hot water into cooler, low-pressure water
closed-loop system
the water/steam from the geothermal reservoir never comes in contact with the turbine/generator
Categorize the following descriptions to the type of geothermal power plant.
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Categorize
the most common technology which uses a dam to create a large reservoir
Electricity is made when water passes through turbines in the dam.
similar to impoundment but have a second reservoir below the dam.
Water is pumped from the lower reservoir to the upper reservoir, storing energy for use later
rely more on natural water flow rates
diverts just a portion of river water through turbines
sometimes does not use a dam or reservoirs
Organize these options into the right type of hydropower plants.
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Multiple Choice
The following are the main components of a hydropower plant EXCEPT
Dam
Pen stock
Loop system
Powerhouse
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Multiple Choice
The following are the main components of a hydropower plant EXCEPT
Dam
Pen stock
Loop system
Powerhouse
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Multiple Choice
How does a dry steam power plant work?
Hot water from underground is piped directly into turbines, which powers the generator
Hot steam from underground is piped directly into turbines, which powers the generator
Hot water from underground is pumped into a cooler temperature flash tank and the steam powers the generator
Hot steam from underground is pumped through a heat exchanger which heats a second liquid that transforms into a steam
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Open Ended
ABSTRACTION.
Differentiate geothermal and hydroelectric energy.
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Open Ended
APPLICATION.
What are the advantages of having an hydroelectric plants in the community?
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Open Ended
APPLICATION.
What are the advantages of having a geothermal plants in the community?
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Multiple Choice
What are the advantages of both hydroelectric and geothermal plants in the community?
Both produce zero air emissions
Both are reliable and renewable energy
Both are not associated with negative health impacts
All of the above
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Open Ended
APPLICATION.
Critique how you are using energy and write the things that you're going to change for you to conserve energy.
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Open Ended
What are the social and economic implications of putting a power plant near a hot spring, which are often developed as tourist areas?
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Open Ended
GENERALIZATION.
Explain how heat from inside the earth (geothermal) and from flowing water (hydroelectric) are tapped as a source of energy for human use.
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