1) Which of the following states of matter has particles arranged most closely together? a) Solid b) Liquid c) Gas d) All of the Above 2) According to Kinetic Molecular Theory, what happens to the particles in a substance as its temperature increases? a) They move faster. b) They move slower. c) They stop moving. d) Their arrangement doesn't change. 3) What do you call the process of changing a solid into liquid by heating it? a) Freezing b) Evaporation c) Melting d) Condensation 4) In which state of matter do particles have the most freedom of movement? a) Solid b) Liquid c) Gas d) None of the Above 5) What term describes the process of a liquid changing into a gas at its surface? a) Condensation b) Freezing c) Melting d) Evaporation 6) What happens to the particles of a substance during melting? a) Lose energy and move slower. b) Gain energy and move faster. c) Don't change their energy or arrangement. d) Change their arrangement but not their speed. 7) Which of the following is NOT a factor affecting condensation? a) Pressure b) Temperature c) The color of the surface d) Presence of water vapor in the air 8) What is the opposite process of freezing? a) Boiling b) Melting c) Evaporation d) Condensation 9) What happens to the particles as a gas cool down and condenses? a) Gain energy and move faster. b) Gain energy and move slower. c) Lose energy and move closer together. d) Lose energy but maintain the same spacing. 10) 10. What process is involved in everyday fog formation? a) a) Melting b) b) Boiling c) c) Evaporation d) d) Condensation

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