The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant.
IELTS Writing Task Chart for The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant.
The diagram depicts the evolution of ancient
stone cutting
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stone-cutting
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tools made by humans in the early
years
Use synonyms
from 1.4
million
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to 0.8
million
Use synonyms
years
Use synonyms
ago.
Overall
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, it is notable that the tool B from 0.8
million
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years
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ago was larger, thinner, and more well-made than its earlier counterpart. Approximately 1.4
million
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years
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old, the cutting tool was relatively small, with a length of 7 cm, and the stone surface was rugged from the front and back views,
while
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the side view showed an uneven edge.
This
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tool saw a significant change 600,000
years
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later.
As a result
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, the stone blade was about 3 cm longer. The shape was more defined, closely resembling a water droplet, and smoother in appearance from the front and back, to make cutting easier and more convenient.
Besides
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, the side view presented a sharpened and smooth edge, effectively assisting early humans to cut things holistically and quickly

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Vocabulary: Replace the words years, million with synonyms.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
Topic Vocabulary:
  • Stone Age
  • tools
  • cutting
  • development
  • rudimentary
  • sophisticated
  • progression
  • unworked pebbles
  • flake tools
  • bifacial tools
  • efficiency
  • materials
  • emergence
  • characteristics
  • functionality
  • craftsmanship
  • precision
  • hunting
  • carving
  • advancements
  • significance
  • human development
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