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In this activity, learners discover if carbon dioxide has an effect on temperature.

In this activity on page 60, learners examine and simulate wildlife entanglement by experiencing what it might be like to be a marine animal trapped in debris.

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

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