Phase Changes Gizmo
The graph represents the heating of water in a pot. At 150 seconds, the water has just
reached a boil. If the heat is left on, what will happen to the temperature and volume of
water in the pot? (All temperatures in °C.) - Answer The temperature will remain
constant, and the water volume will decrease.
Which of the following statements is most accurate? - Answer All of the above.
In a pressure cooker, a lid is screwed tightly onto a pot so that the air pressure in the
pot is increased. What effect, if any, will this have on the boiling point of water in the
pot? - Answer The boiling point will be raised.
Which of the following descriptions explains the process of water freezing? - Answer
Water molecules slow down until they begin to bond together.
Which of the graphs below illustrates water boiling in Denver, Colorado? (Altitude 1,600
meters.) - Answer Graph A
The graph represents the heating of water in a pot. At 150 seconds, the water has just
reached a boil. If the heat is left on, what will happen to the temperature and volume of
water in the pot? (All temperatures in °C.) - Answer The temperature will remain
constant, and the water volume will decrease.
Which of the following statements is most accurate? - Answer All of the above.
In a pressure cooker, a lid is screwed tightly onto a pot so that the air pressure in the
pot is increased. What effect, if any, will this have on the boiling point of water in the
pot? - Answer The boiling point will be raised.
Which of the following descriptions explains the process of water freezing? - Answer
Water molecules slow down until they begin to bond together.
Which of the graphs below illustrates water boiling in Denver, Colorado? (Altitude 1,600
meters.) - Answer Graph A
