EVAPORATION

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EVAPORATION

• is the process of heating water to form a vapour
• Mª Teresa Villarroya i Font

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WHAT IS EVAPORATION?

• Evaporation is a process, a change.
• Its the heating process that changes
• liquid into a gas.

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RATES OF EVAPORATION

• Wind the higher the wind speed, the more
  evaporation.
• Temperature the higher the temperature, the more
  evaporation.
• Humidity the lower the humidity, the more
  evaporation.
• Area the bigger the area, the more evaporation

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www.sanbrunowater.ca..gov/tech.htm
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LOOK AT THE CLOTHES ON THE WASHING LINE.

• What has happened?
• Why has it happened?
• How do we call the process?

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LOOK AT THE WATER INTO THE PAN.

• What has happened?
• Why has it happened?
• What do we call the process?
• Where is the water, now?

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LOOK AT THE WOMAN.

• What has happened?
• Why has it happened?
• What do we call the process?
• Water has turn into .
• Liquid has changed into a

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LOOK AT THE PEOPLE

• Are the conditions good or bad for evaporation?
• Why?