McqMate
| Q. |
When an object is heated, the molecules of that object - |
| A. | began to move faster |
| B. | lose energy |
| C. | become heavier |
| D. | become lighter |
| Answer» A. began to move faster | |
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Explanation: When heat is added to a substance, the molecules and atoms vibrate faster. Then the molecules of that object began to move faster. |
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Physics