PERFORMANCE TASK 1
Tile: Mechanical a Chemical
Materials:
2 pieces of chalk
1 tablespoon of vinegar
hammer
piece of fine cloth
answer the following question:
1. What kind of change or
transformation happened
to the first piece of chalk?
The second chalk?
Procedures:
For Setup A gel o piece of chak and wrap it in a piece of cloth.
Pound it using a hammer. Be extra careful in using the hammer. For Setup 8. get another piece of chok and pour the vinegar on it.
Observe what it happen
3. Compare the chonges that happened to the two pieces of chalk
2. Based on the activity,
how will you compare the
two types of weathering?
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