1. For set up A, get a piece of chalk and wrap it in a piece of cloth.
2.Pound it using a hammer.Be careful in using a hammer.
3.For Setup B, put the chalk inside the plastic cup and pour the vinegar
4.Observe what happened to the chalk
Questions:
1.What happened to the chalk in setup A?
2.What happened to the chalk in set up B?
3.What factors lead to the breaking of chalk in setup A? setup B?