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In this activity, learners model hot spot island formation, orientation and progression with condiments.

In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.

In this activity (on pages 11-12 of PDF) learners create models of lava layers that have formed on the moon.

This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.