KS3 Science revision
- 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.
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