Watch out, Your face Becomes Ugly!

Try to sit facing to the front. Can you see objects behind you? But, now put a mirror in frot of you. Can you now see the objects behind you?
There are a lot of ideas to play with and learn about the reflections of light, but now it is supposed to be that the reflecting surface can see your face image well? To find out the reflecting characteristic of light, do the following steps.
Tools and material that you need
  1. a piece of thin aluminum
The steps:

  1. Prepare a piece of thin aluminum
  2. Look at your face on the thin aluminum, can you see your face?
  3. Now, slowly squeeze the thin aluminum until it is rumpled
  4. Make the thin aluminum neat again
    Can your face be seen clearly?
    How can this happen?
    Can you explain this phenomenon?
A Rope Crossing Over the Water
A rope that is crossing over reflect itself on the water level that is not calm, so that the shadow that is formed does not have a regulr form. As long as the water level is not calm and flat because of the wind blow, the light will be reflected to many different directions. In this case, the shadow becomes blurred and what exists is a collection of irregulary dispersed light

Explanation for you:
In the thin aluminum, your face will look clearly. But after the thin aluminum is squeezed, it is shown that your face is not clear anymore, this is caused by the aluminum's surface that is not flat and smooth as it used to be. This is cused by the reflection of light does not go back to our eyes, but spreading to other directions irreguary. So that our face ill lokk messy.

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