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Revision Notes

Sun as a Natural Resource — Revision Notes

ICSE · Class 3 · Science

Sun as a Natural Resource revision notes for ICSE Class 3 Science: 4 topics in quick points. Part of the ICSE Class 3 Science syllabus.

45 questions30 flashcards5 concepts

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Key Topics to Revise

1

The Sun as a Natural Source of Energy

  • The Sun is a star made of hot gases.
  • It gives us light and heat energy.
  • The energy from the Sun is called solar energy.
2

Sun and Plant Growth (Photosynthesis)

  • Plants use sunlight, water, and carbon dioxide to make their own food.
  • This process is called photosynthesis.
  • Chlorophyll in leaves helps plants absorb sunlight.
3

Uses of Solar Energy

  • Solar heaters heat water using sunlight.
  • Solar cells convert sunlight into electricity.
  • Solar cookers cook food using the Sun’s heat.
4

Renewable and Non-Renewable Energy

  • Renewable resources can be replaced by nature quickly (e.g., sunlight, wind, water).
  • Non-renewable resources take thousands of years to form (e.g., coal, petrol).
  • We should use more renewable energy to protect the environment.

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Full Notes

Key Concepts

The Sun is a big ballPlants use sunlightWe use solar energy in manyRenewable energy sources like sunlightWe should not waste electricity

Frequently Asked Questions

What are the important topics in Sun as a Natural Resource for ICSE Class 3 Science?
Key topics in Sun as a Natural Resource include The Sun as a Natural Source of Energy, Sun and Plant Growth (Photosynthesis), Uses of Solar Energy, Renewable and Non-Renewable Energy. Study these first, then practise questions on each for Class 3 exams.
How should I revise Sun as a Natural Resource for Class 3 exams?
Learn the core ideas first, then work through the 45 practice questions on Sun as a Natural Resource. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All ICSE Class 3 Science Revision Notes

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