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WorksheetsPhase Change Engineering Internship Quiz
Total questions: 20
Worksheet time: 15mins
What state/phase is the object likely from points A to B?
Solid
Liquid
Gas
Plasma
Phase change going from Liquid to Solid...
Melting
Freezing
Condensation
Sublimation
What is the goal for baby's average temperature?
36 C
37C
35 C
38 C
As the PCM loses energy, it's molecules experience a ________ in freedom of movement
increase
decrease
no change
Insulating Materials have no effect on baby temperature
True
False
PCMs are substances that store and release large amounts of energy during the phase changes of melting and freezing
True
False
Which PCM has the longest temperature plateau?
A
B
C
C and B
Which PCM has the highest average temperature?
A
B
C
A and B
What are the constraints of the project?
What is thermal energy?
the energy of all the molecules that make up a substance
energy of an object that is moving
a substance that stores and releases energy
when you pour your drink into a thermos
What is potential energy?
What phase change is modeled?
Freezing
Melting
Evaporating
Condensing
What phase is the PCM at point A?
Solid
Liquid
Gas
Plasma
What phase is the PCM at point C?
Solid
Liquid
Gas
Plasma
How is kinetic energy (KE) changing during part A?
increasing
decreasing
staying the same
increasing and decreasing
How is kinetic energy (KE) changing during part B?
increasing
decreasing
staying the same
increasing and decreasing
What is happening at B?
Potential energy is increasing
Potential energy is decreasing
Potential energy is staying the same
Kinetic energy is increaseing
