Silver - A shiny precious metal, it is used to make jewellery and ornaments. , Copper - A very good conductor of electricity. It is the metal used inside the electrical cords., Aluminium - A very light metal, it is the metal used to make drinks cans., Properties - The characteristics and qualities of something., Malleability - The ability to be hammered into a shape is called?, Lustre - The shiny appearance of metals., Rubber - ________ is made from latex, which comes from trees., Ceramics - ________are made by baking clays, muds at high temperatures, Heat and electricity - Metals are really good conductors of?, Oxidation - Corrosion occurs because of a chemical reaction called?, Tarnish - Silver does not rust or break down, but can become dull., Patina - When copper oxidises it turns a turquoise blue colour., Cooking - A method of processing we use to make food products., Raw - Materials that have been harvested from natural sources., Processed materials. - When raw materials are changed by humans., Opaque - If no light can pass through a material, it is called?, Translucent - If a material is only slightly see-through (blurry), Waterproof - Materials that do not allow water to pass through them., Concrete - When cement powder, water, sand and crushed rocks are mixed together., Weaving - Reeds are processed by ________ the plant fibres together.,

Gr. 5 revision

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