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Learn/Revise your physics skills here!

What is the law of reflection? Angle of Incidence = Angle of Reflection
What 3 ways can light change direction? 1.Reflection 2.Refraction 3.Defraction
What type of EM (Electromagnetic) wave do mobile phones use? Micro-waves
Are harder or softer surfaces better at reflecting sound? Harder
What is an echo? When a sound wave is reflected of a surface
What happens if the frequency of a wave increases? The pitch increases
What is the inoshpere? The layer of gas in the atmosphere
What would happen to the universe if we went back in time? It would shrink because now it is getting larger.
Created by: blue-dancer