1) Which transformation process involves the change of state from gas to solid? a) A. deposition b) B. freezing c) C. melting  d) D. sublimation 2) Which transformation process occurs in drying of wet clothes? a) A. evaporation   b) B. freezing c) C. melting d) D. sublimation 3) Which transformation process changes the state of a matter from that of a liquid to solid? a) A. condensation   b) B. evaporation c) C. freezing d) D. melting 4) What process involves the change of state from solid to gas without passing the liquid state a) A. evaporation   b) B. freezing c) C. melting d) D. sublimation 5) What phase change is observed in the formation of clouds in the atmosphere a) A. condensation   b) B. deposition c) C. evaporation d) D. sublimation 6) What happens to the arrangement of particles of matter in solid, liquid and gas as the temperature is increased? a) A. Particles are becoming closer together  b) B. Particles move farther apart from each other c) C. There is no change in the arrangement, it stays the same. d) D. It becomes disordered and then changes back to become ordered 7) In what conditions of temperature and kinetic energy will favor the condensation process a) A. There is an increase, both for temperature and kinetic energy   b) B. There is a decrease, both for temperature and kinetic energy c) C. There is no change, both for temperature and kinetic energy d) D. There is an increase in temperature and a decrease in kinetic energy 8) Which of the given situations demonstrate a phase change? a) A. cutting of nails  b) B. drying of fishes c) C. growing of plants d) D. chopping of woods 9) What transformation takes place when dry ice (solid carbon dioxide) changes from solid to gas a) A. condensation  b) B. evaporation c) C. melting d) D. sublimation 10) Which processes increases the movement of particles? a) A. melting → freezing  b) B. melting → evaporation c) C. condensation → freezing d) D. evaporation → deposition 11) Which of the following examples turns solid into another state of matter? a) A. cutting of hair  b) B. dropping a plastic can c) C. tearing of paper into pieces d) D. ice cubes in a glass of juice 12) What phase change occurs when water droplets form outside the glass of cold water a) A. condensation  b) B. evaporation c) C. melting d) D. sublimation 13) Which of the following phase changes needs an increase of both temperature and kinetic energy a) A. gas to solid  b) B. gas to liquid c) C. solid to liquid d) D. liquid to solid 14) What happens to the arrangement of particles in ice cream once its temperature increases a) A. The particles are freezing.  b) B. The particles are coming closer. c) C. The particles are getting farther. d) D. The particles are getting heavier. 15) Which of the following is TRUE when a substance changes its state from liquid to solid a) A. The particles of a substance getting smaller.  b) B. The particles of a substance become heavier. c) C. The particles of a substance are moving closer. d) D. The particles of a substance changes from soft to hard 16) matter occurs in three states a) solid, liquid, gas b) land, water, smoke 17) Melting a) (Solid – Liquid) b) (Liquid-Gas) c) (Solid-Gas) d) (Gas-Solid) 18) Evaporation a) (Solid-Gas) b) (Liquid-Gas) c) (Gas-Liquid) d) (Gas-Solid) 19) Sublimation a) (Gas-Solid) b) (Gas-Liquid) c) (Solid-Gas) 20) Condensation a) (Gas to Liquid) b) (Gas to solid) c) (solid to solid) d) (Liquid to solid)

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