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Air
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Everywhere. Hang QR code from a ceiling in a classroom or hall.
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Aluminium
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Foil, take away containers, aluminium window frames.
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Brass
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Handles and locks on doors-typically to the outside. Brass musical instruments. Some outside water taps.
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Brick
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Outside walls.
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Bronze
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Statuettes. Medals from sports day. £1 coins!
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Cement
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Put in a jar in a classroom.
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Ceramic
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Bathroom tiles in toilets or in kitchen. Pottery flowerpots.
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Chrome
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Taps.
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Concrete
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Playground, buildings, concrete blocks.
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Copper
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On water pipework. Could bring in a sample into the classroom.
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Glass
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Windows, drinking glasses, ornaments.
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Gold
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Cups in the trophy cabinet, images of jewellery.
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Iron
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Railings, bottle of nails.
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Leather
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Belts or old shoes.
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Mortar
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Between bricks or blocks, cement rendering.
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Paint
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Painted walls or wood.
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Perspex
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Safety ‘glass’ in photo or picture frames. Science safety glasses. Possibly in school greenhouse.
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Plastic
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Plastic toys, plastic chairs, plastic table tops. Plastic drinking beakers.
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Polystyrene
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Packaging, polystyrene cups, ceiling tiles.
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PVC
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uPVC windows or doors.
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Rubber
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Car tyres in playground swings, erasers, rubber gloves, wellington boots.
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Silver
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Cups and shields in trophies cabinet.
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Soil
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School garden or sample in a tray.
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Stainless steel
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Cutlery in the kitchen, classroom sink drainer.
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Steel
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Jar or screws or nails, tools, girders in ceilings.
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Stone
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Any stone wall, stone window frame, stones in school garden.
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Tarmac
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Playground.
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Water
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Fish tank, bowl of water, school pond.
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Wood
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Skirting boards, school fence, playground equipment, wooden spoon, chairs, tables, plaques.
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