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Teacher Developed Classroom Tested

Study the effects of a dilute acid on four different rock samples over a period of several days
The exposed surfaces of rocks, gravel, sand and silt particles are constantly being broken down by physical and chemical processes. In this lab, students measure the effects of a dilute acid on four different rock samples over a period of several days.
From these observations they can extrapolate how chemicals in the environment contribute to the physical disintegration and chemical decomposition of rock types in the real world. A perfect companion to our Mechanical Weathering Lab (46957-00 ).

Includes: all materials, teacher’s guide, worksheet copymasters.

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