Mots Croisés Chemical Reactions Key WordsVersion en ligne Year 7 crossword including the key words in Chemical Reactions. par Mrs E Brinkley 1 Symbols from the periodic table, indicating the different elements. 2 A type of equation that writes out the full names of all the elements. 3 Use of heat. 4 Type of reaction that results in a compound being broken down. 5 A type of change that creates new substances. 6 A type of change that does not create new substances. 7 The law of mass that states matter cannot be destroyed or created. 8 A substance that reacts with oxygen to release energy. 9 A reaction that takes in energy. 10 A reaction that releases energy. 11 Starting substances in a reaction. 12 Substances that have been made in a reaction. 6 11 4 2 3 8 5 10 12 9 1
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