Issue link: https://owlkids.uberflip.com/i/1542780
Make a mini catapult with Sabrina and Lucas. Lab Science Dr. Zed Dr. Zed's Lab Science Dr. Zed Dr. Zed's L u c a s Sab ri na The catapult uses stored energy to fling the pompom. When you bend the stick, you store energy in it. When you let go, the stick straightens and transfers the energy to the pompom, sending it flying. What to do: Tongue Twister : ) A fly flies far! Dr. Zed explains ILLUSTRATIONS: RÉMY SIMARD PHOTO: LAURA ARSIE CONSULTANT: SANDY EIX, SCIENCE WORLD BRITISH COLUMBIA • 2 craft sticks • rubber band • pencil • bottle cap • glue • pompoms (or something else soft) 1 Wrap a rubber band around one end of the craft sticks. 2 Open the sticks into a V shape. Slide a pencil between the sticks, wedging it near the rubber band. 3 Glue a bottle cap to the top stick. Let it dry. 4 Place a pompom in the bottle cap. Push down on the top stick, aim, and let go! O f f ! B l s t a B l s t a O f f ! You'll need: 20 Chickadee