Final answer:
To change water from a liquid to a gas, you need to add energy by overcoming molecular attraction. To change water from a liquid to a solid, you need to remove energy to allow the molecules to form a solid structure.
Explanation:
In order to change water from a liquid to a gas, you need to add energy to overcome the attractive forces between molecules, allowing them to separate and become a gas. On the other hand, to change water from a liquid to a solid, you need to remove energy to facilitate the molecules coming closer together and forming a solid structure.
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