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In this activity, students will investigate the weathering of rocks by chemical processes. They will use effervescent cleansing tablets as a model for rock, and vary surface area, temperature, and acidity to see how rapidly the "rock" dissolves. This investigation will help them understand three of the factors that affect the rate of chemical weathering and develop better understanding of how to design ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lab activity
Subject: Chemistry, Geology
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Skills: Read (2)
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