intro to thermal energy vocab

Match it! Select the correct answer from the pull down...Good luck!

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.

Energy of motion.

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

Matter in which atoms are constantly moving around and bumping into each other.

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

Water in gas form.

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