Question

Why does metal expand when heated?

Answer 1

Length, surface area and volume will increase with temperature.

Step-by-step explanation:

Metal expands when heated. Length, surface area and volume will increase with temperature. ... Thermal expansion occurs because heat increases the vibrations of the atoms in the metal

Answer 2

Metal expands when heated. Length, surface area and volume will increase with temperature. ... Thermal expansion occurs because heat increases the vibrations of the atoms in the metal

Step-by-step explanation:

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