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As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.

Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.

In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

In this outdoor, windy day activity, learners "fly" and race leaves along a line to discover which types of leaves catch the most wind. Which leaves are the best fliers? Why?

In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.