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Material girls and boys - the new fiver

Topic: Properties and changes of materials

Money money money!

Why is the Bank of England replacing paper notes with plastic ones? Which type will survive being dunked in ketchup? What do they look like magnified 200 times?!

Why are coins made of metal? Are all coins magnetic? Do all coins roll? How does a vending machine work?

Two independent activities to explore the materials used to make money.

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By the end of this activity children should be able to:
• give reasons why currency notes are being replaced with polymer materials
• give reasons why coins are made of metal
• plan and carry out a comparative test
• communicate findings based on scientific evidence in oral and written forms

 
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