Activity b (continued from previous page)
vec reset set the water temperature to 100 cand the
vater temperature to 100c and the ice volume to 50 cm
play how does the situation compare to the previous one
dose a theory: based on what you have observed, explain why you think phase changes
ecur it possible discuss your theory with your classmates and teacher.
apply use your theory to explain what happens at the molecular level in each of the
following situations. also, list the temperature at which each transition occurs.
a
lce is warmed to the melting point.
temperature:
b. water is warmed to the boiling point.
temperature:
c water is cooled to the freezing point.
temperature:
8. extend your thinking: click reset. set the water temperature to 0 °c, the ice volume to
o cm. and add/remove heat energy to -400 j/s. click play and wait until all of the water
freezes
a. what volume of ice is created from 200 cm
of water?
b. why do water pipes sometimes burst in the winter? gizmo phase changes