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In this outdoor activity and bingo-like game, learners explore why and how seeds spread far from the plants that produce them.

Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.

In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.