Science Revision 0.0 / 5 ? ScienceMixture o0f topicsNational 5None Created by: MiaCreated on: 01-05-14 15:39 What is the word equation for photosynthesis? Carbon Dioxide + Water -------> Glucose + Oxygen 1 of 8 What is Convection? The density of a substance depends on how far apart its particles are. 2 of 8 Heat transfer can take place in 3 different ways. What are they? Conduction:Mainly occurs in solids, Convection:Only occurs in liquids and gasses, Radiation:Occurs through any material, even a vaccum 3 of 8 When do metals corrode? When they are left in contact with air or water. When iron corrodes, it is called rusting. 4 of 8 What are the seven life processes? Movement, Reproduction, Sensitivity, Nutrition, Excresion, Respiration, Growth (MRS NERG) 5 of 8 What is the order of reactivity in metals? Potassium, Sodium, Lithium, Calcium, Magnesium, Aluminium, Zinc, Iron, Lead, Copper, Silver, Gold 6 of 8 What is a weed? An unwanted plant which grows unnecisarilly. 7 of 8 What is a pest? An annoying animal which eats through plants and destroys them. 8 of 8
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