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In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the results.

The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper.

In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

In this activity, learners will use bubble wrap to print patterns on paper and experiment with mixing colors.

In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers.

Learners shred used paper, add water, and blend it into pulp. They then strain and roll the pulp out to make new paper.