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.
The diagram illustrates the process of
electricity
generation in a hydroelectric power station, highlighting both the daily and nightly operations. During the
day
,
water
from a high-level
reservoir
flows through an intake, which is open during the
day
,
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and moves towards a power station.
This
flow of
water
turns
reversible
Change preposition
into reversible
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turbines
, which are connected to a generator. As the
turbines
spin, they generate
electricity
, which is
then
transmitted through power lines to the national grid. At night, the intake is closed, and the process is reversed. The reversible
turbines
, now functioning as pumps, move
water
from a low-level
reservoir
back up to the high-level
reservoir
.
This
process requires
electricity
, which is often supplied by other sources when demand is lower, ensuring that
water
is available in the high-level
reservoir
for the next
day
's
electricity
generation. The dam plays a crucial role in maintaining the
water
levels,
while
the reversible
turbines
enable the dual functionality of generating
electricity
during the
day
and pumping
water
at night.
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Basic structure: Change the fourth paragraph.
Vocabulary: Replace the words electricity, day, water, reservoir, turbines with synonyms.
Vocabulary: Only 3 basic words for charts were used.
Vocabulary: The word "moves" was used 2 times.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
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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