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

Learners design their own experiment to determine conditions that either help or hinder the decomposition of carrots by soil microbes.

Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood.

In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered.