1) _________________ is a process where solid gains heat and turns into liquid. a) Melting b) Freezing c) Evaporation d) Boiling 2) _____________ is a process where liquid loses heat and turns into solid. a) Condensation b) Melting c) Boiling d) Freezing 3) _______________ is a process when liquid gains heat and turns into gas at any temperature. a) Boiling b) Evaporation c) Freezing d) Melting 4) __________________ is a process when gas loses heat and turns into liquid. a) Melting b) Evaporation c) Freezing d) Condensation 5) __________________ is a process when liquid gains heat at 100oC and turns into steam.  a) Evaporation b) Melting c) Condensation d) Boiling 6) Which processes involved heat gained? a) Melting and condensation b) Melting and boiling c) Freezing and condensation d) Boiling and condensation 7) Water freeze at ____________________oC which is known as the freezing point. a) 100oC b) 50oC c) 30oC d) 0oC 8) Which processes involved heat loss? a) Melting and condensation b) Melting and boiling c) Freezing and condensation d) Boiling and condensation 9) Which process(es) take place at a fixed temperature? a) Melting & evaporation b) Freezing & boiling c) Melting, freezing & evaporation d) Melting & condensation e) Melting, freezing & boiling f) Melting, freezing & condensation 10) Water boils at ____________________oC which is known as the boiling point. a) 100oC b) 50oC c) 30oC d) 0oC 11) Condensation take place when a gas is in contact with a _________________________ surface and turns into liquid. a) hotter b) cooler c) colourful d) dull 12) Which of the following is a difference between evaporation and boiling? a) Evaporation is the change of gas to liquid but boiling is change of liquid to gas. b) Evaporation involved heat loss but boiling involved heat gained. c) Evaporation is occurs at any temperature but boiling occurs at fixed temperature. d) Evaporation of water forms steam but boiling forms water vapour.

Water Cycle Processes

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