Skip to main content
Super TutorResources
Chapter 9 of 12
Revision Notes

Light — Revision Notes

ICSE · Class 4 · Science

Light revision notes for ICSE Class 4 Science: 4 topics in quick points. Part of the ICSE Class 4 Science syllabus.

45 questions36 flashcards5 concepts

Interactive on Super Tutor

Studying Light? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

Free trial, no card needed.

Key Topics to Revise

1

Sources of Light

  • Light is a form of energy that helps us see objects.
  • Things that give out light are called sources of light.
  • Sources of light can be natural or artificial.
2

Luminous and Non-Luminous Objects

  • Luminous objects give out their own light (e.g., Sun, candle).
  • Non-luminous objects do not give out light (e.g., table, book, Moon).
  • We see non-luminous objects when light reflects off them into our eyes.
3

Properties of Light

  • Light travels in straight lines — this is called rectilinear propagation.
  • Light spreads in all directions from its source.
  • Light can be reflected, refracted, and split into colors.
4

Transparent, Translucent, and Opaque Objects

  • Transparent objects allow all light to pass through (e.g., glass, air).
  • Translucent objects allow some light to pass through (e.g., tracing paper, frosted glass).
  • Opaque objects do not allow any light to pass through (e.g., wood, metal).

Get complete notes with diagrams and examples

Full Notes

Key Concepts

Things that give out lightLuminous objects produce their own lightLight moves in a straight pathTransparent objects (like glass) let allA shadow forms when an opaque

Frequently Asked Questions

What are the important topics in Light for ICSE Class 4 Science?
Key topics in Light include Sources of Light, Luminous and Non-Luminous Objects, Properties of Light, Transparent, Translucent, and Opaque Objects. Study these first, then practise questions on each for Class 4 exams.
How should I revise Light for Class 4 exams?
Learn the core ideas first, then work through the 45 practice questions on Light. 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.

More resources for Light

All ICSE Class 4 Science Revision Notes

For serious students

Get the full Light chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 4 Science. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free