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Writing Samples
Band 5

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
#electricity #power #station #summarise #information #features #comparisons
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This
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 graphic gives information about how a hydroelectric
power
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station
Use synonyms
 produces
electricity
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.
Overall
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, the hydroelectric
power
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station
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 uses the potential energy of
water
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 flow from
high-level
Add an article
the high-level
show examples
reservoir
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 to the low-level one to generate
electricity
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 during day time
while
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 pumping
water
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 from the low-level
reservoir
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 back into the high-level one during the night. During the day, the
water
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 storage of the high-level
reservoir
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 will be introduced from a river and blocked by a dam which will intake the current towards the
power
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station
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 established beside the low-level
reservoir
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 downstream. The
water
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 flow
then
Linking Words
 drives turbines to generate
electricity
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 which is distributed to the national grid by
power
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 lines.
By contrast
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, the
water
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 in the low-level
reservoir
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 will be pumped back to the high-level
reservoir
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 by the reversible turbines in the
power
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station
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 during the night, and the dam will stop to intake the
water
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 at the same time. To summarise, the principle of how a hydroelectric
power
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station
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 works is it utilizes the waterfall to drive generators to yield
electricity
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 during the day, and the
power
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station
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 will pump the
water
Use synonyms
 back into the high-level
reservoir
Use synonyms
 at night.
Submitted by 15280151 on

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Introduction: The introduction is missing.
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Introduction: The chart intro is missing.
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Basic structure: Change the third paragraph.
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Introduction: The chart intro is missing.
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Vocabulary: Replace the words power, station, electricity, water, reservoir with synonyms.
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Vocabulary: Rephrase the word "information" in your introduction.
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Vocabulary: Only 4 basic words for charts were used.
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Vocabulary: Use several vocabularies to present the data in the second paragraph.
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Vocabulary: Use several vocabularies to present the data in the third paragraph.
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Topic Vocabulary:
  • hydroelectric power station
  • reservoir
  • potential energy
  • mechanical energy
  • electrical energy
  • turbine
  • generator
  • renewable energy
  • fossil fuels
  • emissions
  • power lines
  • gate-controlled tunnels
  • gravity-driven
  • transformation
  • clean energy source
  • sustainable
  • recycled water
  • mountainous area
  • activate
  • transmit
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