How would you like to eat a dinner of insects in the dark?! Bats find their food with echolocation—show how with this mobile!
Research radar and echolocation, especially with bats. Bats possess an ability, called echolocation, to find insects to eat using sound waves. These animals emit very high-pitched sounds, which bounce off flying insects. Bats "hear" the returning sound waves that help them to find bugs. Compare and contrast differences between radar and echolocation. Then incorporate what you know about bats into a mobile.
Use one sheet of Crayola Color Explosion™ Black paper to make the top of the mobile. With Color Explosion Markers, draw the outline of a bat, flying insects, stars, or whatever you imagine will tell people looking at your mobile about echolocation, or bat radar. Draw freehand or make a stencil with recycled cardboard.
Punch about four holes in both ends of the paper. Roll ends together and insert brass paper fasteners to make a cylinder. Punch more holes around the bottom of the cylinder, and two more holes at the top. Lace and tie yarn between the top holes to create a hanger.
On more Color Explosion™ Paper, draw several bats, insects, and other items to hang from the mobile. Be creative! Punch a hole at the top of each item. Tie pieces to the mobile with yarn. Add a bat with wings spread at the top if you like.
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