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In this activity and/or field trip, learners investigate the water currents that aquatic animals create when they breathe, feed, and propel themselves through water.

Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe.

In this activity, learners will discover why there are holes in bread.

This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.

Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.