Owlkids

Chickadee - September 2018

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ILLUSTRATIONS: RÉMY SIMARD CONSULTANT: SANDY EIX, SCIENCE WORLD BRITISH COLUMBIA Just Joki n g : ) What happens when you wear a watch on a plane? Time fl ies! Try this high-flying experiment with Dr. Zed and Ooze. A parachute's job is to slow down a fall from a very high place, like a person jumping out of a flying airplane. But this time, it's just your toy! This experiment works because the wide surface of the parachute catches and pushes against the air, which slows down your toy's fall. This is called air resistance. Dr. Zed Explains: P arachute F un! What to do: You'll need: • Coffee filter • 4 pieces of string, each cut 30 cm (12 in.) long • Scissors • Pencil • Clear tape • Small, light toy 1 Use the pencil to punch a small hole on each side of the filter. Make four holes in total. 2 Add tape around each hole so the paper doesn't tear. Tie a piece of string to each hole. 3 Pull the four strings together and tie them to your toy. Use tape to secure it. 4 With an adult's help, safely stand up on a chair, hold the parachute high above you and let go. What happens? 25 Ooze ' s challenge: Try making a parachute with different materials, like a plastic bag cut into a square.

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