Turquoise
How to be a
Band 7
How to be a
i g c a M i an
Letters and Sounds Phase 5–6
Phonemes covered: /n/ kn /m/ mb /r/ wr /s/ c, ce, sc /c/ que /zh/ s, si /sh/ ti, ci, si, ssi
i c g i a a n M
Find out how to produce magic tricks!
Isabel Thomas Will Amlot
Browse the complete Collins catalogue at
www.collins.co.uk ISBN 978-0-00-835210-3
9 780008 352103
An instruction book
www.collins.co.uk/collinsbigcat
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Science trickery! It’s easy to produce magic tricks if you know the science behind them. Read the instructions carefully before your performance. Have a practice session in advance. Get ready to fascinate your friends and family!
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Requ ired items: ● Washable plastic straw ● Scrap of newspaper ● Bottle cap
The strange straw
Instructions: ● Wrap the paper around the straw. ● Rub the paper quickly up and down the straw. ● Balance the straw on the bottle cap. ● Put your thumb near one end. The straw will move! 1
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Secret science knowledge When you rub the paper wrapper along the straw, the motion causes static electricity to collect on the straw.
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Static electricity causes the lightweight straw to move to your thumb!
Static electricity is electricity that is stuck at the surface of an object.
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