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Published byGabriella McGee Modified over 9 years ago
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Learning Intention Understand how plastics are categorised Understand how vacuum forming works Be able to identify some products that were made by vacuum forming
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Plastics are used in loads of everyday things! Take a look around the classroom and identify as many different things which are made out of plastic Milk bottles PLASTIC BAGS Remote Controls Mobile Phones Laptops Toys Packaging
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Does anybody know what the main ingredient of plastic is? Any ideas? CRUDE OIL
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Crude oil is a non-renewable resource
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Plastics can be sorted into two groups... Thermoplastics Things like...
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Plastics can be sorted into two groups... Thermosetting plastics Things like... Light switches Plug sockets
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Thermoplastics... Are really easy to recycle! Can be re-melted and turned into something else
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Thermosetting plastics... Are quite difficult to recycle When you try and melt these down, they just burn and turn black
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Which type of plastic do you think is better for the environment? Correct! Thermoplastics are better as they can be reused again and again... Thermoplastics
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The problem is… We only recycle about 5% of all the plastic we use
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Where does it all go?
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The Great Pacific Garbage Patch
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1. What are the two groups of plastics? 2. Which sort is easier to recycle? 3. Any more questions?
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