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Revision Notes

Sun as a Natural Resource

ICSE · Class 3 · Science

Quick revision notes for Sun as a Natural Resource — ICSE Class 3 Science. Key concepts, formulas, and definitions for last-minute revision.

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?
Sun as a Natural Resource covers several key topics that are frequently asked in ICSE Class 3 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Sun as a Natural Resource — ICSE Class 3 Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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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