light and dark wiki
TRANSCRIPT
Light and Dark
Light
Light is a type of energy that helps us to see things.
Dark
It is the absence of light.
Light sources
Sun
Most light on Earth comes from the sun
Stars
Flashlight
Light Bulb
Fire
Candle
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
Shadow
A shadow is a place where no light is shining
The shadow has the same shape of its object
Shadow during the day
Before 12 PM
The shadow is long
At 12 PM
The shadow is short
• The shortest shadow during the day is our shadow at noon time (12:00 PM)
How do we see the colours
Do you know that the light is mix of all colours???
Prism
An object that can make the light bend.
And when the light bends it gives us 7 colours
The 7 colours are theRainbow
Effect of sunlight on light and dark colours
Light colours like :
Dark colours like:
After the experiment we have found that :
• The dark colours take in sunlight more than the light colours
Now let me ask you a question?
What should we wear in winter to feel warm, Light colours or dark colours?
Yes excellent
• We should wear dark colours in winter to feel warm because they take in sunlight more than the light colours