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Naima Walton
Physics
20 February, 15:37
What causes thermal expnsion?
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Bowen
20 February, 15:42
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Thermal expansion occurs when an object expands and becomes larger due to a change in that specific object's temperature. Temperature is the average kinetic (basically movement) energy of the molecules in a substance. A higher temperature means that the molecules are moving faster on average.
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Jazmine Osborne
20 February, 15:49
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Answer: Thermal expansion occurs when an object expands and becomes larger.
Explanation: This occurs when a change (increase or decrease)
Forms in an objects temperature
For example, Increase in size of a material due to added heat.
Decrease in size of material when heat is removed.
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