khfjlszi 0.0 / 5 ? Extended Projectk;hjbjhbvjhFunNone Created by: frankie_prichardCreated on: 07-05-15 18:10 What do vaccinations do? they protect you from certain diseases, they boost your bodys defence system which is also called the immune system 1 of 22 how do vaccinations work? they contain a little bit of a weak or dead disease which is injected into you and the antibodies fight it off 2 of 22 what is an antigen? a protein on the surface of a cell 3 of 22 what is an antibody? a chemical produced by white blood cells to target bacteria and viruses 4 of 22 what is the central nervous system? the brain and spinal chord 5 of 22 what is the peripheral nervous system? nerve cells that carry information to or from the centeral nervous system 6 of 22 whats another name for a nerve cell? neurone 7 of 22 whats the order of how information travels from receptors to effectors in the nervous system? receptor - sensory neurone - motor neurone - effectors 8 of 22 what are receptors? cells which produce electrical impulses in response to the change in enviroment 9 of 22 what are effectors? parts of the body such as muscles and glands 10 of 22 what is limestone mainly made of? calcium carbonate 11 of 22 what happens when you heat limestone? it breaks down to calcium oxide and carbon dioxide 12 of 22 what is limestone used to make? cement, mortar and concrete 13 of 22 what is thermal decomposition? its a reaction where calcium carbonate breaks down when heated strongly 14 of 22 what is the equation for limestone breaking down? calcium carbonate -> calcium oxide + carbon dioxide or CaCo3 -> Cao + Co2 15 of 22 what is the limestone cycle? limestone (CaCo3) -> thermal decomposition -> quicklime (Cao) -> add water -> slaked lime ( Ca(OH)2)-> lime water ( Ca(OH)2) 16 of 22 what are the particles of a solid like? the particles are tight together with no movement 17 of 22 what are the particlesof a liquid like? the particles are close together but random they have some movement 18 of 22 what are the particles of a gas like? the particles are far apart and random they move quickly and in any direction 19 of 22 name the forms forms of energy? magnetic, kinetic, heat, light, gravitational potential, chemical, sound, electrical, elastic potential, nuclear 20 of 22 how do you work out energy efficiency? useful energy transfared divided by energy supplied times by 100 21 of 22 what is the energy efficiency? the efficiency of a device is the proportion of energy supplied that is transfered in useful ways 22 of 22
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