Online Assessment Number 2

What is the process by which the molecules on the surface of a liquid break away and change into gas?

• a. condensation

• b. evaporation

• c. freezing

• d. melting

Which process is the reverse of evaporation?

• a. condensation     

         

• b. freezing

• c. melting

• d. sublimation

What is it called when a solid turns directly into a gas?

• a. condensation

• b. deposition  

• c. evaporation

• d. sublimation

Which of the following processes requires heat energy?

• a. condensation

• b. cooling

• c. evaporation

• d. freezing

What is deposition?

• a. phase change from liquid to gas

• b. phase change from gas to liquid

• c. phase change from gas to solid

• d. phase change from solid to gas

Which of the following is NOT a process of changing matter phase?

• a. evaporation

• b. freezing

• c. melting

• d. mixing

Which of the following refers to the process that absorbs heat and cools the surroundings?

• a. exothermic process

• b. sublimation process

• c. endothermic process

• d. deposition process

If heat is taken away from a gas, what phase change will occur?

• a. boiling

• b. condensation

• c. evaporation

• d. melting

What phase changes does water undergo at 0 degrees Celsius?

• a. evaporation and sublimation

• b. melting and freezing

• c. freezing and deposition

• d. vaporization and melting

What phase changes does water undergo at 100 degrees Celsius?

• a. condensation and evaporation

• b. melting and freezing

• c. freezing and sublimation

• d. vaporization and deposition