1) happens because some particles in the liquid gain heat energy. a) evaporation b) condensation 2) If the surface is cold enough, the water vapour gas changes to drops of liquid water. a) evaporation b) condensation 3) Is faster (The difference between evaporation and boiling.) a) boiling b) evaporation 4) Happens throughout the liquid. (The difference between evaporation and boiling.) a) boiling b) evaporation 5) Is slower. (The difference between evaporation and boiling.) a) boiling b) evaporation 6) Produce bubbles.  a) boiling b) evaporation 7) Does not lead to cooling. a) boiling b) evaporation 8) Happens only from the surface of the liquid. a) boiling b) evaporation 9) Does not produce bubbles a) boiling b) evaporation 10) Leads to cooling. a) boiling b) evaporation 11) Drying clothes a) boiling b) evaporation 12) Happens when the particles of a gas lose energy when they get cooler. a) boiling b) condensation 13) It is the reverse or opposite of evaporation. a) boiling b) condensation 14) For each of these changes of state, state (or write) whether heating or cooling happens. MELTING a) heating b) cooling 15) For each of these changes of state, state (or write) whether heating or cooling happens. FREEZING a) heating b) cooling 16) For each of these changes of state, state (or write) whether heating or cooling happens. CONDENSATION a) heating b) cooling 17) For each of these changes of state, state (or write) whether heating or cooling happens. EVAPORATION a) heating b) cooling 18) Evaporation happens because of some particles in the liquid _______ heat energy. a) gain b) lose 19) Condensation happens when the particles of a gas _________ energy when they get cooler. It is the reverse or opposite of evaporation. a) gain b) lose 20) Water keeps going around and around. a) evaporation b) water cycle

Lesson 3.3

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