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In this activity (on pages 29-35), learners examine water pollution and filtration.

Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.

In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled tapioca.

In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.

In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl

In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.

In this group activity, learners act out key stages of the "ocean carbon cycle" (also known as the "carbonate buffer system") through motions, rearranging blocks and team tasks.