additional science aqa key words E 1.0 / 5 based on 1 rating ? ScienceGCSEAQA Created by: SamCreated on: 15-03-13 22:56 Elastic A material is elastic if it is able to regain its shape after it has been squashed or stretched 1 of 11 Elastic potential energy Energy stored in an elastic object when work is done to change its shape 2 of 11 Electrolyte A liquid, containing free moving ions, that is broken down by electricity in the process of electrolysis 3 of 11 Electron A tiny particle with a negative charge. Electrons orbit the nucleus in atoms or ions 4 of 11 Empirical formula The simplest ratio of elements in a compound 5 of 11 Endothermic A reaction that takes in energy from the surroundings 6 of 11 Enzyme A protein molecule that acts as a biological catalyst 7 of 11 Epidermal tissue the tissue of the epidermis - the outer layer of an organism 8 of 11 Epithelial tissue Tissue made up of relatively unspecialised cells that line the tubes and organs of the body 9 of 11 Exothermic A reaction that gives out energy to its surroundings 10 of 11 Extinction Extinction is the permanent loss of all the members of a species 11 of 11
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