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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties).

Learners discover that their breath contains carbon dioxide, one of the pollutants found in car exhaust.