class-6th science chapter-11 (lLight shadow and reflection)

1. light shadow and reflection
2. what is energy
3. natural or artificial sources of light
4. luminous and non luminous objects

1. Light Shadow And Reflection Chapter-11

2. Light

3. Energy Energy , in physics, the capacity for doing work Because of energy, an object can perform work or can heat the other object or things.

4. Energy

5. Light

6. Light

7. c

8. Natural Sources of Light Sun Stars

9. Natural Sources of Light Fireflies Glowworms

10. Natural Sources of Light Jellyfish Angler fish

11. Natural Sources of Light Bush Fires Lightning

12. Artificial Sources of light Light Bulb Torches

13. Artificial Sources of light Lamp Lighter

14. Artificial Sources of light Flame by matches Candle light

15. c

16. Luminous Objects

17. Non luminous objects

18. Luminous and Non-Luminous Objects Luminous objects Objects that can emit light energy by themselves are known as luminous objects. The luminous objects are visible as they emit light on their own. E.g. Sun, Burning Candle Non-luminous objects Objects that cannot emit light energy by themselves are known as non-luminous objects. The non-luminous objects are visible because of luminous objects. E.g. Earth, Moon

19. Quick Revision What is light? What is energy? Sources of light- Natural and Artificial Luminous and non luminous objects