CBSE Class 4 Science – Light, Sound, and Shadows

Chapter Overview

This chapter explores the concepts of light, sound, and shadows. Students will learn how light travels, how sound is produced, and the conditions required for shadow formation.

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Important Keywords

Light: A form of energy that helps us see objects.
Reflection: The bouncing back of light from a surface.
Opaque: Objects that do not allow light to pass through.
Transparent: Objects that allow light to pass through completely.
Shadow: A dark area formed when an object blocks light.
Sound: Vibrations that travel through air or other mediums and are heard by our ears.
Echo: The reflection of sound that is heard after a delay.

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Detailed Notes

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Important Facts

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Comparison Table

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Quick Revision

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Real Life Connection

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Frequently Asked Questions (FAQs)

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Learning Objectives

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