1) Identify the section of the diagram that the substance is only a gas. a) A b) B c) C d) D e) E 2) Identify the section of the diagram that the substance is only a solid. a) A b) B c) C d) D e) E 3) Identify the section of the diagram that the substance is only a liquid. a) A b) B c) C d) D e) E 4) Identify the section of the graph that the substance is a mix of gas and liquid. a) A b) B c) C d) D e) E 5) Identify the section of the graph that the substance is a mix of solid and liquid. a) A b) B c) C d) D e) E 6) Identify the portion of the graph when the substance is melting. a) A b) B c) C d) D e) E 7) Identify the portion of the graph when the substance is boiling. a) A b) B c) C d) D e) E 8) What is the melting point of the substance? a) 10 degrees b) 40 degrees c) 120 degrees d) 160 degrees 9) What is the freezing point of the substance? a) 10 degrees b) 40 degrees c) 120 degrees d) 160 degrees 10) What is the boiling point of the substance? a) 10 degrees b) 40 degrees c) 120 degrees d) 160 degrees 11) How long was the warming of the liquid? a) 4 minutes b) 6 minutes c) 8 minutes d) 10 minutes 12) How long did it take for the liquid to completely change to gas? a) 4 minutes b) 6 minutes c) 8 minutes d) 10 minutes 13) Identify all sections of the graph that the kinetic energy (motion energy) is decreasing. a) A, C, E b) B, D 14) Identify all sections of the graph that the kinetic energy (motion energy) is staying constant. a) A, C, E b) B, D 15) Identify the time when particles of the substance have the lowest average kinetic energy. a) 2 minutes b) 10 minutes c) 14 minutes d) 22 minutes e) 25 minutes 16) Identify the portion of the graph that particles of the substance have the arrangement shown. a) A b) B c) C d) D e) E 17) Identify the portion of the graph that particles of the substance have the arrangement shown (Hint: Moving VERY FAST and spread out). a) A b) B c) C d) D e) E 18) Identify the portion of the graph that particles of the substance have the arrangement shown (Hint: Mix of 2 states). a) A b) B c) C d) D e) E

Interpreting Phase Change Diagrams

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