One of the exhibits at COSI has you test which pulley system makes it easiest for you to pull your own weight (2 pulleys vs 3 vs 4). In the pic on top with Luke, you can see the sign that he's using the one with two pulleys.
COSI is so great because it allows a child (or Tori as we can see by the last picture) figure out for themselves which methods work the best rather than just telling them.
2 comments:
i don't like you very much right now.;)
Hey Tori, looks like Ella and Lukie could pull themselves up much higher than you. Concentrate more on the scientific principle involved next time. The greetings from the ZULA Patrol (the two in the middle below)sure scares the $&!^ out of me.:~)
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