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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

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.

In this activity, learners are introduced to challenges of maintaining temperatures while living in space.

In this activity, learners discover that sand is the major ingredient in glass.

In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.