Chemicals in our lives 3.0 / 5 based on 1 rating ? ChemistryOrganic and Green ChemistryGCSEOCR Created by: ChloeCreated on: 19-12-12 15:08 Tectonic Plates Giant slabs of rock that make up the earths outer layer 1 of 18 Convction The currents in the underlying solid mantle 2 of 18 Plate Boundaries The edges of the tectonic plates 3 of 18 Ordovician Period 450 million years ago 4 of 18 Devonian Period 360 million years ago 5 of 18 Permian Period 280 million years ago 6 of 18 Modern day 65 million years ago 7 of 18 magnetic a material that is atracted to a magnet 8 of 18 Latitude the location of a place on earth, north or south of the equator 9 of 18 Crust Outisde layer of the earth 10 of 18 Mantle a thick layer of rok between the earths crust 11 of 18 Inner core Centre of the earth 12 of 18 Sedimentary rock rock formed from layers of sedminet 13 of 18 grains a relatively small particle or substance e.g. grains of sand 14 of 18 Fossils the remainings of a animal or plant that were from millions of years ago 15 of 18 erosion the movement of solids at the earths surface 16 of 18 evaporation change of a liquid to a gas 17 of 18 preserve a chemical added to stop things going off 18 of 18
Comments
No comments have yet been made