Physics P1 -The Earth and the Universe 0.0 / 5 ? PhysicsAstronomyGCSEOCR Created by: Joanna JuszczykCreated on: 29-04-13 18:40 What are the 8 planets in our solar system? Mercury, Venus , Earth , Mars, Jupiter, Saturn, Uranus and Neptune 1 of 16 Why isn't Pluto classed as a planet? It is too small. 2 of 16 What is the distance measured in? Light years 3 of 16 What do we call it when galaxies move away from eachother? Redshift 4 of 16 What is the speed of light 300,000 m/s 5 of 16 What is the Hubble's Law? Corralation between distance of a galaxy and the speed at which it is moving 6 of 16 What was Hutton's scientific idea? The idea of a rock cycle 7 of 16 Why was Hutton's idea rejected? Christians believed that the Eart is not changing, because God made it this way. 8 of 16 What data supports the rock cycle? fossil fuels, how rocks were layered. 9 of 16 What did Alfred Wagner come up with? The continental drift. 10 of 16 How did Wagner come up with this idea? He spotted the match between the shapes of South America ans Africa. 11 of 16 What caused the continent to move? The movement of tectonic plates. 12 of 16 What causes the movement of tectonic plates? The convection currant. 13 of 16 What else does the plate movement explain? Parts of the rock cycle, most earthquakes, mountain- building and most volcano's. 14 of 16 What is the formula to work out wave length? Wave speed ÷ frequency 15 of 16 What is the formula to work out the frequency? wave speed ÷ wave length 16 of 16
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