1) …………. is the total kinetic and potential energy. a) Thermal energy b) Chemical energy c) Nuclear energy 2) The higher the temperature the faster the particles move. a) false b) true 3) ………….. is changing from solid to liquid. a) Melting   b) Freezing 4) ……………….. is vaporization that occurs only on the surface of liquid. a) Evaporation b) boiling c) condensation 5) ………… is vaporization that occurs on both surface and under the surface of liquid. a) Evaporation b) Boiling c) Condensation 6) The temperature at which liquid boils is called a) sublimation b) boiling point c) freezing point 7) ………….. is the temperature at which liquid changes to solid. a) Melting point b) Freezing point 8) …………… changing from solid to gas without liquid state. a) Condensation b) Sublimation  9) ………. is the changing from gas to liquid. a) Condensation b) Evaporation 

Gr6

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