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Molecules that make up matter move constantly.Which of these forms of energy refers to the energy of the moving molecules and why?
A.Chemical Energy
B.Thermal Energy
C.Electrical Energy
D.Light Energy

Which device can change electrical energy to light and sound energy?
A.Speakers
B.Electric Lamp
C.Television
D.Fan
C?

  • Science - ,

    1. B
    2. B, A

  • Science - ,

    Can you explain why for Question 1?

  • Science - ,

    Thermal energy is generated and measured by heat of any kind. It is caused by the increased activity or velocity of molecules in a substance, which in turn causes temperature to rise accordingly.

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