The diagram show how an LED (light emitting diode) flashlight works. Summerise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram show how an LED (light emitting diode) flashlight works. Summerise the information by selecting and reporting the main features, and make comparisons where relevant.
IELTS Writing Task Chart for The diagram show how an LED (light emitting diode) flashlight works. Summerise the information by selecting and reporting the main features, and make comparisons where relevant.
The diagram illustrates how
a
Correct article usage
an
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LED torch functions by showing the flow of electricity and the resulting production of
light
Use synonyms
.
Overall
Linking Words
, the process involves the movement of electrical energy from batteries to a
bulb
Use synonyms
, producing
light
Use synonyms
through a series of internal components including wires, a switch, and a reflector. When the power switch is turned on, it completes the circuit, allowing electric current to flow from the batteries located at the bottom of the torch. The current travels through metal springs and wires, eventually reaching the LED
bulb
Use synonyms
positioned at the front.
This
Linking Words
causes the
bulb
Use synonyms
to emit
light
Use synonyms
. A reflector behind the
bulb
Use synonyms
helps direct and focus the
light
Use synonyms
rays forward.
Conversely
Linking Words
, switching off the button breaks the circuit, stopping the flow of electricity. The casing of the torch is made of plastic, which acts as an insulator, protecting users from electric shocks.

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Common mistake: Your writing should be 150-250 words.
Basic structure: Change the third paragraph.
Basic structure: Change the fourth paragraph.
Vocabulary: Replace the words light, bulb with synonyms.
Vocabulary: Only 2 basic words for charts were used.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
Vocabulary: Use several vocabularies to present the data in the third paragraph.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
Topic Vocabulary:
  • light-emitting diode (LED)
  • circuit
  • electric current
  • batteries
  • switch
  • resistor
  • reflector
  • focus
  • beam
  • light energy
  • visible light
  • power source
  • incandescent bulb
  • energy conversion
  • brightness
  • concentration of light
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