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Tea Bag Trouble Activity Card Uncle Astro loves drinking tea. He drinks tea with his breakfast and with a biscuit mid-morning. He has tea after his lunch and with a piece of cake at 4 o’clock. He has tea with his evening meal and a cup just before he goes to bed. “No wonder the tea bag tin is empty,” sighs Aunt Stella. “We’ll go to the shops to get some more,” offer Cosmic and Gem. But when they come back there are no tea bags in their shopping basket. “The shop has run out of tea bags. We had to buy a packet of loose tea instead.” TEABAG TROUBLE TEABAG TROUBLE “Oh no!” says Uncle Astro. “That won’t do. I’ll end up with a cup full of tea leaves. How am I going to make a nice cup of tea this afternoon?” “We can try to make some tea bags for you Uncle Astro,” they answer eagerly. TEABAG TROUBLE “That’s very kind of you, but remember - I don’t like tea leaves in my tea. I just like a nice cup of lovely brown tea.” “Come on,” says Aunt Stella. “Let’s start testing tea bags!”
Your challenge Uncle Astro doesn’t like tea leaves floating around in his drink, so Cosmic and Gem wonder if they can make him some tea bags. Have you ever helped to make a cup of tea? Do you know how tea bags work? Aunt Stella thinks they should make Uncle Astro some tea bags out of kitchen roll Cosmic wonders if newspaper would work Gem thinks thin fabric would be better What do you think? Find the best material to make a tea bag for Uncle Astro. Discuss Plan how you can test different tea bags. How will you know which is the best tea bag? Getting started Cut out a square of kitchen roll. Put a teaspoonful of tea leaves in the middle. Gather up the corners with a clothes peg to make a bag. Half fill a clear beaker with water from the hot tap. Holding the peg, dunk the teabag up and down in the water for one minute. Try other papers and fabrics to see which type makes the best tea bag (lets the flavour and colour out, and keeps the tea leaves in). Take care with the hot water and don’t drink the tea! Extra things to do Are all tea bags the same shape? Are some shapes better than others? Why do some have string attached? Find out when tea bags were invented. Test your ideas Can you think of other ways to test tea bags? Share your ideas Draw a picture of each cup of tea. What colour is the water? Are there any tea leaves in it? British Science Association Registered Charity No. 212479 and SC039236