Light, Shadows & Reflections
Understand the chapter with colourful notes, animations, activities and quizzes.
Understand
What is Light?
Identify
Sources of Light
Learn
Reflection
Know
Shadow Formation
What is Light?
Light is a form of energy that helps us see objects.
Without light, we cannot see anything.
- Mobile Flash
- Street Light
- Car Headlight
- Torch
Did You Know?
The Sun is nearly 150 million kilometres away from Earth.
Activity
Take a torch. Switch off the room light. Observe how objects become visible.
Natural
- Sun
- Stars
- Firefly
Artificial
- Bulb
- Torch
- Candle
Moon produces light.
Moon reflects sunlight.
Name five luminous objects around you.
Definition of Light is asked every year.
๐ Summary
- ✔ Light is a form of energy.
- ✔ It enables vision.
- ✔ Sun is the biggest natural source.
- ✔ Bulb is an artificial source.
- ✔ Moon reflects sunlight.
Which of the following is a natural source of light?
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