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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.

In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce.

In this activity, learners explore the devices used over time to measure changes in temperature.

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.