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Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down.

Learners turn over a random selection of cards from a larger set. From the words revealed, they try to determine the sentence represented on the larger set of cards.

Learners explore the physical properties of a variety of balls and how they bounce.

Learners imagine they are paleontologists in Florida, where they find (remove from envelope) paper "fossils" of some unknown creature, only a few at a time.