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The diagram shows the evaporation of water - Junior Cycle Science - Question a - 2012
Question a
The diagram shows the evaporation of water. What is evaporation? What? What do water molecules have to gain in order to evaporate from liquid water? What?
Worked Solution & Example Answer:The diagram shows the evaporation of water - Junior Cycle Science - Question a - 2012
Step 1
What is evaporation?
Answer
Evaporation is the process in which liquid water changes into water vapor, a gas. This transformation occurs when water molecules gain enough energy to overcome the attractive forces that hold them together in the liquid state, allowing them to escape into the air.
Step 2
What do water molecules have to gain in order to evaporate from liquid water?
Answer
Water molecules must gain energy in the form of heat in order to evaporate from liquid water. This energy increases the kinetic energy of the molecules, enabling them to move faster and break free from the liquid's surface to enter the gaseous state.