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

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

Learners develop an understanding of air pressure in two different activities.