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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.

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, learners create air cannons out of everyday materials. Learners use their air cannons to investigate air as a force and air pressure.

Using simple, inexpensive items, learners build and test submarine models.

In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.