21st century science physics P1 0.0 / 5 ? PhysicsGCSEOCR Created by: annabelleCreated on: 21-05-13 18:55 what is an asteroid irregular lumps of rock, mostly near-circular orbit between mars and jupiter 1 of 10 what is a comet small object made of rock and ice with very elongated orbits around the sun 2 of 10 the sun is one of thousands of millions of stars in the..? milky way 3 of 10 the milky way is one of thousands of millions of galaxies that make up the..? universe 4 of 10 where does the sun get its energy from? nuclear fusion 5 of 10 what is the process called that breaks up heavy nuclei into lighter ones ? nuclear fission 6 of 10 how are rocks eroded? by moving water, glaciers, wind and rockfalls 7 of 10 how are eroded rocks transported? by the wind, water and ice 8 of 10 what was Alfred Wegeners 1915 theory ? continental drift, millions of years ago there was a single land mass 9 of 10 what was wegeners evidence for his idea? the way that the coasts of continents fit together like a jigsaw 10 of 10
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