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JSS3: BASIC SCIENCE - 2ND TERM

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Topic Content:

  • Light Energy
  • Properties of Light Energy
Sunlight

Light is a visible form of energy that spreads outwards from a source. Light is nature’s way of transferring energy through space. 

There are various sources of light, for example, the sun and the stars are natural sources of light, as well as some living creatures like fireflies and glow worms. Sources of light are the candle, electric torches, electric lamps, electric bulbs, etc.

bulb

Properties of Light Energy:

1. It travels in a straight line.

2. It undergoes refraction.

3. It undergoes reflection.

4. It can be absorbed in clothing materials.

5. It has a speed of \( \scriptsize \: 3 \: \times \: 10^{8} \: m / s\)

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