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In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

In this activity, learners are introduced to robotic submarines called gliders. Learners make “gliders” from plastic syringes and compare these to Cartesian bottles and plastic bubbles.

In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.

In this activity (located on page 3 of the PDF), learners investigate the way water moves and how we can control and direct water.

In this experiment, learners float colored ice cubes in hot and cold water.

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

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.