Phase Change Types
What do you call the phase change where a solid changes into a liquid?
What is melting?
Kevin bought himself a chocolate bar while walking through downtown Gatlinburg. His family wanted to go into the arcade so he slipped the chocolate bar into his pocket. A couple hours later when his family left the arcade, he remembered he still had his chocolate bar. As he pulled it out of his pocket, he noticed it had heated up and was no longer solid. What phase change happened to his chocolate bar.
What is melting?
What happens to the motion of particles as temperature (heat) is added?
They speed up
What do you call the phase change where a liquid is heated both below and above the surface of the liquid and becomes a gas?
What is boiling?
Graph 1 Question:
What is a change in state
What do you call the phase change where a liquid becomes a solid?
What is freezing?
The water from Jake's shower was so hot it created ______________ on the mirror of the bathroom.
Condensation
What happens to motion of particles as temperature is taken away?
The particles slow down.
What do you call the phase change where a liquid is heated only above the surface of the liquid and becomes a gas?
What is evaporation?
Graph 2 Question:
What is a liquid?
What do you call the phase change (general name) when a liquid becomes a gas?
What is vaporization?
Ellie's 13th birthday was this past Saturday. To celebrate, her parents decided to throw her a pool party. At the pool party, as Ellie was getting out of the pool, she noticed her wet footprints on the ground. She went inside and came back outside and the footprints were gone. Which phase change occurred to the wet footprints?
What is evaporation?
By applying heat, what kind of energy is added?
What is the phase change in which a solid becomes a gas?
Sublimation
Graph 3 Question:
What is state of matter?
What do you call the phase change where a gas becomes a liquid?
What is condensation?
Kyah's teacher brought in dry ice to show the class about phase changes. What kind of phase change is Kyah's teacher demonstrating with the dry ice?
What is sublimation?
Boiling and evaporation are NOT the same because evaporation takes place _______________________.
What is the surface of the liquid?
Which phase change do icicles go through?
What is freezing?
Graph 4 Question:
What is a solid?
Name the two types of Vaporization.
What is boiling and evaporation?
Isaac wants to have hard-boiled eggs for dinner. What process must take place in order for his mother to make him these eggs?
What is boiling?
Yolanda travels to a country where the sea level is about 5,000 meters above sea level. The boiling point of water at this altitude is 82 degrees Celcius. To boil her potatoes, she must heat the water to at least 85 degrees Celcius. Will Yolanda be able to boil her potatoes? (Yes or no answers BUT BE READY TO EXPLAIN the phase change if one will be present)
No because the water will evaporate.
What is the phase change in which a gas turns into a solid?
What is deposition?
Question 5 Graph:
What is the freezing point?