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In this activity, dry ice and other items are used to construct a demonstration model of a comet that illustrates the comet nucleus, coma, and tails.

Learners observe working lava lamps to understand how they work (included in PDF link).

In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes.

In this activity, learners will discover what it takes to be a frog. By dressing up like one, learners can visualize how each part of the frog plays an important role in surviving its habitat.

In this activity (Page 25 of PDF), learners investigate the evolution of wheat by creating dough from different flours, observing the samples of dough as they rise, and then baking the dough.

In this demonstration, cook a cake using the heat produced when the cake batter conducts an electric current.

In this health activity (on page 3 of the PDF), learners will learn about the body‘s defenses against invasion from tiny particles.