kinetic - energy of motion, potential - stored energy, thermal energy - kinetic and potential energy, heat - how thermal energy is increased, temperature - measure of the average kinetic energy of the particles in an object, melting - change in state from solid to liquid, melting point - temperature at which crystalline solid melts, freezing - change of state from liquid to a solid, freezing point - temperature at which substances loses thermal energy to turn into a solid at 0 degrees Celsius, vaporization - the change in state from a liquid to a gas, boiling - vapovaporization below AND at the surface of a liquid, evaporation - vaporization at the surface of a liquid only, pressure - the force over an area, condense - reverse of to vaporize, condensation - a change in state from gas to a liquid, suspension - tiny droplets of condensed water cling to dust particles, sublimation - change in state from a solid directly to a gas, dry ice - solid carbon dioxide, deposition or frost formation - change in state from a gas directly to a solid,

Book 1 Topic 2 Lessons 1 & 2

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