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This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action.

In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.

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.