KS3 Science revision

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  • Created by: Charlotte
  • Created on: 25-04-13 17:13
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  • Science Revision
    • Sound waves and light rays change speed when traveling through different substances with different densities. This causes them to change direction and is called refraction.
    • If the angle of incidence increases, so does the angle of refraction.
    • Our lens is long and thin when we are looking at something far away.
    • Our lens is short and fat when we are looking at something close.
    • If I have a pair of blue shoes, they are this colour because they absorb all the other colours and reflect blue, causing me to see blue.
    • Total internal refraction occurs in diamonds for example. The light continually bounces off the sides of the  diamond causing it to sparkle.




This is bob, I thought it would cover all the ks3 science syllabus


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