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Bees can flap their wings over 200 beats per second. This fast wing beat causes the air around the bee to vibrate and we hear that as a buzzing sound. The buzzing can be used as communication with each other and it gets a little louder when a bee is agitated.
- (1) playing card (use one of the extra cards that come with the deck)
- (1) popsicle stick
- (2) feet of string
- (2) pencil erasers
- (1) rubber band (size #33 or similar 3 ½“ X 1/8”)
- Fold the card lengthwise over a popsicle stick and attach it in the center with two staples.
- Tie the string to one end of the popsicle stick next to the card.
- Put one eraser on each end of the popsicle stick.
- Put the rubber band around the popsicle stick from one eraser to the other. Make sure there is no twist in the rubber band.
- Hold the end of the string and twirl the bee buzzer over your head like a lasso fast enough to make it buzz.
- Play around with different size rubber bands and see if the sound changes.
- Does the sound change the faster you go? Why?