Water and changes of state

During which of the following processes does water gain heat?

A Freezing

B Condensation

C Boiling

D Evaporation

A beaker of ice was heated over a period of time. The changes in temperature are shown in the graph.

Which of the following correctly matches the processes to the parts of the graph?

Jed filled a beaker with water and left it in a room at 27^oC. After a few minutes, Jed observed water droplets on the outer surface of the beaker.

Which of the following is most likely the temperature of the water in the beaker?

Ameera wants to conduct an experiment to find out if ice melts faster when more heat is applied to it. Which of the following variable(s) should she keep the same?

A Amount of ice used

B Amount of heat applied

C Shape of container used

D Location at which the experiment is conducted

Which of the following statements describe the similarities between melting of ice and the freezing of water?

A Heat is gained in both processes.

B Both processes take place at 0^oC.

C Both processes involve a change of state.

Water forms on the outside of iced tea on a hot day. What process causes the water to form?

What is the process called when liquid water changes to solid?

What is the process called when water changes to water vapour?

What are the 3 states of matter?

At what temperature does ice melt?