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krystinayagel013
23.02.2021 •
Biology
The atoms and molecules that make up substances are always in motion. What happens when heat or thermal energy is added to a substance?
the particles move faster
the particle movement doesn't change
the particles move slower
the particles stop moving
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Ответ:
the particles move faster
Explanation:
When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.
Ответ:
the particles move faster
Explanation:
When a substance is heated, it gains thermal energy. Therefore, its particles move faster and its temperature rises.
Ответ:
it could be like a ecosystem
Explanation: