A thermometer sits in a glass of hot water. Why does the liquid inside the thermometer rise? a. Gravity pushes it up. b. Air bubbles are released. c. Heat from the water makes it expand. d. Air pressure above the water pulls it up
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c.Heat from the water makes it expand
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When heated, the molecules of the liquid in the thermometer move faster, causing them to get a little further apart. This results in movement up the thermometer. When cooled, the molecules of the liquid in the thermometer move slower, causing them to get a little closer together.
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