1. Light and Dark

2. Light
Light is a type of energy that helps us to see
things.

3. Dark
It is the absence of light.

4. Light sources

5. Sun
Most light on Earth comes from the sun

6. Stars

7. Flashlight

8. Light Bulb

9. Fire

10. Candle

11. Reflection
How can we see objects?
We see things because light will reflect or
bounce off things around you.
Light that reflects off object enter your eyes
then you can see

14. Shadow
A shadow is a place where no light is shining

15. The shadow has the same shape of its
object

16. Shadow during the day
Before 12 PM
The shadow is long
At 12 PM
The shadow is short

17. • The shortest shadow
during the day is our
shadow at noon time
(12:00 PM)

18. How do we see the colours
Do you know that the light is mix of all
colours???

19. Prism
An object that can make the light bend.
And when the light bends it gives us 7 colours

20. The 7 colours are the
Rainbow

21. Effect of sunlight on light and dark
colours

22. Light colours like :

23. Dark colours like:

24. After the experiment we have found
that :
• The dark colours take in sunlight more than
the light colours

25. Now let me ask you a question?
What should we wear in winter to feel warm,
Light colours or dark colours?

26. Yes excellent
• We should wear dark colours in winter to feel
warm because they take in sunlight more than
the light colours