Light.

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Presentation transcript:

light

How light travels? Light travels in straight lines if it did not we would not able to see the light that we have today. shadow also has the same method to the travelling of light. As light travels in straight lines it forms a shadow if the lines were not straight we wouldn't be able to see the shadow. Transparent and opaque is also to do with how the light moves. the meanings are below: Transparent =A see through object Opaque=Not a see through object

This is the light. This is the box This is the screen This is the bulb If dust went in you could see the dust in the light, but you wouldn’t be able to see the dust that is not in the light .

How long dose it take thee light from a star to reach us? It takes 4 years for the light of the star to reach us on earth.

Why are some lights brighter than other lights? This diagram shows the highest light and the lowest light . high sun moon Intensity star bulb Energy saving bulb Low

Why dose light always shines on TV? It is a glass It reflects All glasses reflect

Why are we not aloud to see the sun with are bare eyes? If we sore the sun with are bare eyes it would destroy are eyes and we would be blind.

Why do we see colours The light absorb the colours and we can see . If the sun did not absorb the colour we would see black and white like on old films.

Dose light bounce? Yes light bounces if you put a Mirror facing the sun it bounces onto other objects sorroding.

How do we see a rainbow? The same thing light absorbs and makes a rainbow.