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(01.07 HC) A student collected the data shown in the table below during an experiment. Liquid Characteristics Liquid Characteristics Boiling Point Freezing Point Color Toxicity Mercury 357 °C −39 °C shiny silver gray hazardous if tube is broken Alcohol 78 °C −115 °C colorless relatively non-hazardous Based on the data, which of the following conclusions can be made about the use of mercury and alcohol thermometers?

(02.01 MC) Which of the following explains how one of the postulates in John Dalton’s atomic theory later became robust knowledge?

(01.03 LC) What happens to the average kinetic energy of the molecules of a warm substance when the temperature of the substance is slightly decreased?

(02.01 MC) Which of the following explains how one of the postulates in John Dalton’s atomic theory was later strengthened?

(02.02 LC) What term is used to describe the height of a wave?

(01.03 LC) Which of the following has kinetic energy?

(01.01 LC) Which of these is a characteristic of science?

The male urethra is approximately 4cm long

(01.04 MC) A student described two properties of a substance as shown. Properties of Substance Property Description A The substance can be hammered into a flat sheet. B The density of the substance is one-third of the density of iron. Which of the following statements is true about the two properties described in the table?

(02.01 MC) The diagram shows the different models of the atom that eventually led to the modern atomic theory.Which model is based on Bohr’s quantum model?