Light and dark wiki
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Transcript of Light and dark wiki
![Page 1: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/1.jpg)
Light and Dark
![Page 2: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/2.jpg)
Light
Light is a type of energy that helps us to see things.
![Page 3: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/3.jpg)
Dark
It is the absence of light.
![Page 4: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/4.jpg)
Light sources
![Page 5: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/5.jpg)
Sun
Most light on Earth comes from the sun
![Page 6: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/6.jpg)
Stars
![Page 7: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/7.jpg)
Flashlight
![Page 8: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/8.jpg)
Light Bulb
![Page 9: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/9.jpg)
Fire
![Page 10: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/10.jpg)
Candle
![Page 11: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/12.jpg)
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![Page 14: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/14.jpg)
Shadow
A shadow is a place where no light is shining
![Page 15: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/15.jpg)
The shadow has the same shape of its object
![Page 16: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/20.jpg)
The 7 colours are the Rainbow
![Page 21: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/21.jpg)
Effect of sunlight on light and dark colours
![Page 22: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/22.jpg)
Light colours like :
![Page 23: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/23.jpg)
Dark colours like:
![Page 24: Light and dark wiki](https://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/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://reader031.fdocuments.in/reader031/viewer/2022030222/58b897611a28ab3e3a8b6dc3/html5/thumbnails/27.jpg)