Twirlybirds Purpose- To see what happens when the wing length of paper twirlybird is changed. Time, seconds Prediction Drop 1 Drop 2 Drop 3 Average 7.4.

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Presentation transcript:

Twirlybirds Purpose- To see what happens when the wing length of paper twirlybird is changed. Time, seconds Prediction Drop 1 Drop 2 Drop 3 Average 7.4 cm Wing Length, cm ___ cm ___ cm ___ cm Cut and fold Predict Drop 3x, then average Copyright © 2011 InteractiveScienceLessons.com™

Time to Drop to the Floor, in seconds Twirlybirds 10 8 Time to Drop to the Floor, in seconds 6 4 2 1 2 3 4 5 Trial Bird 1-control Bird 2-(change)

Twirlybirds Average Time to Drop to the Floor, in seconds Birds 10 8 6 4 2 #1-Control #2- ______ #3- ______ Birds