intro to thermal energy vocab

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Energy of motion.

The motion of atoms or molecules within a substance

Matter in which atoms vibrate so much that they are far apart.

The transfer of thermal energy from a hotter area to a colder area.

Matter in which atoms are closely spaced and vibrate in a fixed position.

A process that creates new substances from existing substances and can absorb or release thermal energy.

The average kinetic energy of the atoms or molecules within a substance.

The process when matter loses thermal energy and changes from a gas to a liquid.