specificheatcapacity - The amount of energy required to raise the temperature of 1g of a substance by 1'C., calories - An alternative unit of measurement for energy., soot - Solid particle released during incomplete combustion., carbon monoxide - A poisonous gas which can cause headaches, nausea and death., sulfur dioxide - This polluting substance reacts with water in the air to produce acid rain., impurities - Many fuels are not toxic, but what do they contain which are?, flammability - Which property of fuels is both useful and hazardous?, petrol - Name a fuel used in vehicles., paraffin - A substance commonly used as a fuel for jet engines and rockets, cooking oil - A type of fat used in frying, baking, and other types of cooking., wax - Organic substance that becomes solid at room temperature and liquid when heated., ethanol - A simple alcohol with the chemical formula C₂H₆O, exothermic - The type of reaction where energy is released as heat., combustion - A chemical process in which a substance reacts rapidly with oxygen and gives off heat., water - A product of complete or incomplete combustion., hypothesis - A specific statement of prediction supported by scientific knowledge and understanding., hazard - A potential source of harm., burn - 'Immediately immerse in cool tap water' is the emergency action in case of what type of injury?, calorimeter  - A device for measuring the heat developed during a reaction, thermometer - A piece of equipment used to measure temperature.,

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