Understanding
Evaporation and Boiling
Paulo Rellis
Objectives
•
•
•
Warm-Up
Question!
What happens to a
puddle of water
after it rains?
Warm-Up
Question!
What happens when
you boil water in a
kettle?
Evaporation and boiling are both processes
where a liquid turn into a gas.
Activity
Evaporation
12 hours
50 mL of water
0 mL of water
Activity
Boiling
30 minutes
50 mL of water
0 mL of water
Discussion
Questions
Evaporation
• Evaporation is a process where water
turns into water vapor.
• It only happens at the surface of the
liquid.
• It can occur at any temperature.
• It is a slower process compared to boiling.
Boiling
• Boiling is when water turns into steam.
• It happens throughout the liquid.
• It happens at a specific temperature
called the boiling point.
• It is a faster process compared to
evaporation.
Exit ticket
Create a Venn diagram comparing evaporation and boiling.
Evaporation
Boiling
Thank You!