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๐ฌ Think about it
Fireflies flash their own light to talk to each other. The Moon glows softly at night. But are these two lights the same kind? One is made by the insect itself; the other is only borrowed from the Sun. Let us begin our study of light.
What made Keshav curious about light?
- Keshav saw fireflies flashing their own light at night.
- He watched the moonlit hills and vehicle headlights.
- He wondered if the Moon makes its own light.
- He noticed that light seems to travel in a straight line.
Important Points
- Some things, like fireflies, make their own light.
- The Moon does not make its own light.
- Light seems to travel in a straight line.
๐ Fascinating Facts
- Fireflies are seasonal insects that use light to communicate.
- Hundreds of them flash together in a wonderful display.
- Their numbers are falling due to light pollution.
- Reduced forest cover and excessive tourism also harm them.
โ Test Yourself
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Does the Moon make its own light?
View Answer
No, the Moon only reflects the Sun's light. -
Why do fireflies flash their light?
View Answer
To communicate with each other. -
Name one reason firefly numbers are falling.
View Answer
Light pollution (also reduced forest cover and too much tourism). -
In what kind of line does light seem to travel?
View Answer
A straight line. -
Is moonlight made by the Moon itself?
View Answer
No, moonlight is just reflected sunlight.
