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In this activity, learners interpret three trackways and use measurements and a formula to infer the relative speed of dinosaurs.

free Ages 11 - 14 45 to 60 minutes
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In this activity, learners work in partners to create and exchange messages written in Braille. Learners use a Braille key and thumbtacks to write their messages in Braille.

free Ages 8 - 14 10 to 30 minutes