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A group of children volunteer to clean empty plastic bottles from a shoreline.
Science, ELA
Grade K-2
Taking Care of Our Environment

How can we take care of the environment and inspire others to help us?

The legs of a couple dozen walkers participating in a race, with pavement featured prominently in the foreground.
ELA, Math
Grade 8
The Many Functions of Walking

How can we plan a profitable walk-a-thon to benefit a cause we care about?