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In this activity, learners explore the relationship between cooling water vapor and condensation. Learners investigate condensation forming on the outside of a cold cup.

Learners observe and conduct experiments demonstrating the different properties of hot and cold materials.

In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.

This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated.