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Sniffly Sneezes Activity Card Gem grabs her hankie. Achoo! Achoo! Achoo! She holds her hankie to her nose and sneezes three more times. “Oh dear, what a horrible sniffly sneeze!” she sighs, tucking her hankie into her pocket. Now her nose is running! She needs to wipe it quickly. Gem pulls out her hankie again and rubs her nose. This isn’t any fun. There’s a knock at the door. It’s Cosmic. He’s brought Gem a lolly to cheer her up. SNIFFLY SNEEZE Cosmic looks at Gem, “Your nose is all red,” he says. “You look like a clown!” Gem sighs again. “It’s my hankie. It doesn’t work very well. I wish I had a better one.” “OK,” says Cosmic cheerfully. “I’m sure we can find something. Let’s ask Aunt Stella to help us. She will have lots of things we could try. But how will we know which is best?” Aunt Stella says she thinks a hankie needs to be strong when it’s wet. Cosmic thinks a hankie needs to be soft on your nose, and Gem thinks it needs to soak up water to keep your nose dry. Have you ever had a cold? What kind of hankie did you use? Your challenge Gem needs to know which hankie to use. She has lots of things to try. Can you help her?
Discuss Talk about how you will find out which is the best material for a hankie. Getting started EEZE Get some different materials. Put a piece of material in a tray. Drip coloured water onto the material. Does it soak up the water? How will you decide which is best at soaking up the drips of water? How will you make sure that everything is fair? Test your ideas Can you think of other ways to find out? Share your ideas Choose the best hankie and make a poster to share this. Extra things to do Can you do any other tests to decide which hankie is the best? Find out why it might be better to have a hankie that you can throw away after you have used it. British Science Association Registered Charity No. 212479 and SC039236