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Revision Notes

Light and Shadow

ICSE · Class 5 · Science

Quick revision notes for Light and Shadow — ICSE Class 5 Science. Key concepts, formulas, and definitions for last-minute revision.

49 questions30 flashcards4 concepts

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Key Topics to Revise

1

What is Light?

  • Light is a form of energy that helps us see objects.
  • The Sun is the main natural source of light.
  • Bulbs, candles, and torches are artificial sources of light.
2

Transparent, Translucent, and Opaque Objects

  • Objects are classified based on how much light passes through them.
  • Transparent objects allow all light to pass through (e.g., glass, clear water).
  • Translucent objects allow some light to pass through (e.g., frosted glass, tracing paper).
3

Formation of Shadows

  • Shadows are formed when an opaque or translucent object blocks light.
  • Shadows are always black, regardless of the object's color.
  • Shadow is formed on the opposite side of the light source.
4

Eclipses – Solar and Lunar

  • Eclipses happen when the Sun, Moon, and Earth align in a straight line.
  • Lunar Eclipse: Earth comes between Sun and Moon. Earth’s shadow falls on the Moon. Occurs on Full Moon night.
  • Solar Eclipse: Moon comes between Sun and Earth. Moon’s shadow falls on Earth. Occurs on New Moon day.

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Full Notes

Key Concepts

Light is a form of energyObjects are classified based on howShadows form when an opaqueAn eclipse happens when the Sun

Frequently Asked Questions

What are the important topics in Light and Shadow for ICSE Class 5 Science?
Light and Shadow covers several key topics that are frequently asked in ICSE Class 5 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Light and Shadow — ICSE Class 5 Science?
Understand the core concepts first, then work through the 49 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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