oofpoofheckers oofpoofheckers

13-03-2018
Physics

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Sand is made of tiny pieces of rock that have been worn down by wind and water. Explain why the formation of sand is a physical change.

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emilyblumenhein emilyblumenhein

13-03-2018

The formation of sand is a physical change because some of the physical properties of the rocks change, but their identities do not. The particles of rock are rearranged as their sizes and shapes change, but their identities and total mass remain the same.

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