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Ingredients
- 4 c. flour
- 1 1/2 c. warm water
- 1 c. salt
Method
- Rocks are made of different minerals.
- A mineral is any useful substance that occurs naturally in the earth's crust.
- Most minerals grow in special shapes called crystals.
- They grow larger by adding more layers of the same shape.
- To grow some crystals of your own, do the following: