Chemical Weathering (Nadia Chocron)
Chemical Weathering
The students will experience chemical weathering of marble.
Author(s)
Nadia Chocron is a middle school science teacher at Lindero Canyon Middle School.
Question
What will happen if marble chips soaked in water and vinegar for five weeks?
Standards
6.2 Topography is reshaped by the weathering of rock and soil and by the transportation and deposition of sediment.
Experimental Design
The students will measure 50 grams of marble chips and place in a beaker with either 200 mL of water or 200 mL of vinegar. The students will stir the beakers daily and record any visual observations that can be seen, i.e., if there are any bubbles, cloudy color.
Independent variable
The independent variable is the marble. The marble chips will come from the same bag and be in the same amount.
Dependent variables
The dependent variable is the liquid that the marble chips are placed in.
Controls
There will be 50 g f marble per container and 200 mL of liquid in each container.
Materials
Procedures
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Sample data and graphs
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Photographs and Movies
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References
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