Study

P5 Cycles Revision (I)

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  • State two differences between boiling and evaporation.
    1) Boiling - fixed temperature but evaporation - any temperature. 2) Boiling - throughout the liquid but evaporation - at the surface of the liquid
  • Based on the chart, at which process(es) heat is lost?
    C and D
  • Based on the graph, at which part(s) heat is gained?
    A, B and C
  • What is condensation?
    It is the process when a gas changes into liquid.
  • Based on the chart, at which process(es) heat is gained?
    A and C
  • State the factors affecting the rate of evaporation.
    Temperature, Exposed surface area, Wind Speed
  • What is boiling?
    It is the process when a liquid changes into gas at a fixed temperature.
  • What is melting?
    It is the process when a solid changes into liquid at a fixed temperature.