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This project and its actions were made possible due to co-financing by the European Fund for the Integration of Third-Country Nationals The story of the car Subject(s):Science Age group(s):12-14 Topic:Physical and chemical changes EAL Nexus resource Licence information | This resource is free to use for educational purposes. © British Council 2014 Source | This resource was originally developed by Nerissa Lea and has been adapted by EAL Nexus.
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This is a brand new car
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The owner decides to paint it a new colour. This is a physical change because the paint can be separated from the car.
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One night, a puddle near the car freezes. This is a physical change because even though it has changed from liquid to solid, it is still H 2 O.
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The car skids on the puddle, hits a post and gets a dent. This is a physical change because only the shape has changed.
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Left outside in the rain, the car begins to rust. This is a chemical change because the iron has become iron oxide; there has been a colour change.
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Someone comes along and sets fire to the car. This is a chemical change because the metal has reacted with oxygen to make a new substance.
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Finally, someone takes the car away and crushes it into a small cube. This is a physical change because the shape has changed but it has not become another substance.
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