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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.

In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.

In this environmental health activity, learners investigate their own vital lung capacities.

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

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water.