P1 Topic 1 0.0 / 5 ? PhysicsWavesEarth in spaceGCSEEdexcel Created by: rayhanb1Created on: 17-05-14 20:44 What does geocentric mean? The earth is the centre of the universe and the planets revolve around it. 1 of 5 What does heliocentric mean? The sun is the centre of the universe and the planets revolve around it. 2 of 5 Why did the church condemn the heliocentric model? They preferred the Earth being at the centre and everything orbiting it, it made the Earth more significant. 3 of 5 What does refract mean? Refraction is the change in direction of any wave (sound or light) when it goes through a change of density such as from air to glass 4 of 5 What does reflect mean? the throwing back by a body or surface of light, heat, or sound without absorbing it. 5 of 5
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