atom - The smallest particle. Everything is made of atoms., element - A substance that contains only one type of atom., periodic table - The table that shows all the elements arranged by their properties, properties - What a substance is like, for example whether it is hard or soft, shiny or dull and whether it conducts electricity., compound - A substance that contains more than one type of atom reacted together, chemical reaction - When two substances react together to make a new substance., reactants - The substances that you start with in a chemical reaction, products - The substances that you make in a chemical reaction, word equation - Shows the reactants and products in a chemical reaction, limestone - A type of rock that is used for building , calcium carbonate - The chemical name for limestone, quarry - Open pit where rocks are dug out of the ground., concrete - A building material, made from a mixture of cement, sand and gravel, cement - A powder made by heating limestone with clay., ore - rock that contains metals, metal - A substance that conducts electricity, conducts heat, is shiny and hard, extract - take the metal out of an ore, unreactive - When a substance doesn’t react., recycle - When things that have been used before are used again, alloy - A metal mixed with other elements., steel - An alloy made from iron and carbon., mixture - When substances are mixed together but the original substances can be separated again., properties - What a substance is like, for example whether it is hard or soft, shiny or dull and whether it conducts electricity., electrical conductor - Lets electricity pass through, corrosion - A chemical reaction that damages metals. For example, iron rusting., density - How heavy an object is for its size., plumbing - Water pipes ,

Keyword fliptile - atoms, materials.

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