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Band 6.5

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

The diagram below shows how electricity is generated in a hydroelectric power station. Summarize the information by selecting and reporting the main features, and make comparison where relevant.
The diagram illustrates how
electricity
Use synonyms
 is produced in a hydroelectric
power
Use synonyms
 station during the
day
Use synonyms
 and at
night
Use synonyms
.
Overall
Linking Words
, the process follows a cyclical system in which
water
Use synonyms
 flows downhill to generate
electricity
Use synonyms
 in the daytime and is pumped back to the upper
reservoir
Use synonyms
 at
night
Use synonyms
. During the
day
Use synonyms
,
water
Use synonyms
 from the river collects in a high-level
reservoir
Use synonyms
 behind a dam. The intake at the base of the dam is open, allowing
water
Use synonyms
 to flow through a channel towards the
power
Use synonyms
 station. As the
water
Use synonyms
 passes through reversible turbines, it causes them to spin, and
this
Linking Words
 mechanical energy is converted into electrical energy by a generator. The
electricity
Use synonyms
 produced is
then
Linking Words
 transmitted to the national grid through
power
Use synonyms
 lines,
while
Linking Words
 the used
water
Use synonyms
 is released into a low-level
reservoir
Use synonyms
. At
night
Use synonyms
, when
electricity
Use synonyms
 demand is lower, the intake is closed, preventing
water
Use synonyms
 from flowing downhill.
Instead
Linking Words
, the reversible turbines operate in reverse mode, using off-peak
electricity
Use synonyms
 to pump
water
Use synonyms
 from the low-level
reservoir
Use synonyms
 back up to the high-level
reservoir
Use synonyms
.
This
Linking Words
 restores the
water
Use synonyms
 supply for
power
Use synonyms
 generation the next
day
Use synonyms
. In summary, the hydroelectric
power
Use synonyms
 station operates as a closed loop, reusing the same
water
Use synonyms
 to generate
electricity
Use synonyms
 during the
day
Use synonyms
 and to refill the upper
reservoir
Use synonyms
 at
night
Use synonyms
.

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Basic structure: Change the second paragraph.
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Basic structure: Change the third paragraph.
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Basic structure: Change the fourth paragraph.
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Vocabulary: Replace the words electricity, power, day, night, water, reservoir with synonyms.
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Vocabulary: Only 2 basic words for charts were used.
▼
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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Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
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