It is important to understand that matter exists in all states and that matter can also change states. It does this by either using or releasing energy, and it is usually associated with changes in temperature and pressure. A simple example is water. If you have a block of ice, you have solid water.
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Answer:
It is important to understand that matter exists in all states and that matter can also change states. It does this by either using or releasing energy, and it is usually associated with changes in temperature and pressure. A simple example is water. If you have a block of ice, you have solid water.