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This activity was designed for blind learners, but all types of learners can explore the process used to cast and mold molten metal, glass, and plastics.

In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change.

This activity requires a Pico Cricket (tiny computer).

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