light and dark wiki
TRANSCRIPT
![Page 1: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/1.jpg)
Light and Dark
![Page 2: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/2.jpg)
Light
Light is a type of energy that helps us to see things.
![Page 3: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/3.jpg)
Dark
It is the absence of light.
![Page 4: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/4.jpg)
Light sources
![Page 5: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/5.jpg)
Sun
Most light on Earth comes from the sun
![Page 6: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/6.jpg)
Stars
![Page 7: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/7.jpg)
Flashlight
![Page 8: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/8.jpg)
Light Bulb
![Page 9: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/9.jpg)
Fire
![Page 10: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/10.jpg)
Candle
![Page 11: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/11.jpg)
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
![Page 12: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/12.jpg)
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Shadow
A shadow is a place where no light is shining
![Page 15: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/15.jpg)
The shadow has the same shape of its object
![Page 16: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/16.jpg)
Shadow during the day
Before 12 PM
The shadow is long
At 12 PM
The shadow is short
![Page 17: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/17.jpg)
• The shortest shadow during the day is our shadow at noon time (12:00 PM)
![Page 18: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/18.jpg)
How do we see the colours
Do you know that the light is mix of all colours???
![Page 19: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/19.jpg)
Prism
An object that can make the light bend.
And when the light bends it gives us 7 colours
![Page 20: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/20.jpg)
The 7 colours are theRainbow
![Page 21: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/21.jpg)
Effect of sunlight on light and dark colours
![Page 22: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/22.jpg)
Light colours like :
![Page 23: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/23.jpg)
Dark colours like:
![Page 24: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/24.jpg)
After the experiment we have found that :
• The dark colours take in sunlight more than the light colours
![Page 25: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/25.jpg)
Now let me ask you a question?
What should we wear in winter to feel warm, Light colours or dark colours?
![Page 26: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/26.jpg)
Yes excellent
• We should wear dark colours in winter to feel warm because they take in sunlight more than the light colours
![Page 27: Light and dark wiki](https://reader033.vdocuments.site/reader033/viewer/2022051414/559f56731a28abf0078b46d4/html5/thumbnails/27.jpg)