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This activity was designed for blind learners, but all types of learners can model how vibrating particles, such as in a sound wave, bump into other particles causing them to vibrate, and that the vib

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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This activity was designed for blind learners, but all types of learners can use it to learn to differentiate between qualitative and quantitative observations and to practice data collection.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes