Thermal Properties of Matter
Physics
7th - 8th Grade
Used 81+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure shows how the temperature of a solid material changes as it is heated.
What are the states of matter at region B?
solid
liquid
solid and liquid
liquid and gas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph shows how the temperature of wax changes as it cools from liquid to solid.
What is the melting point of the wax?
65
79
81
85
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true when water is heated from 20oC to 50oC?
Potential energy of the water particles increase
Kinetic energy of the water particles increase
Potential energy of the water particles decrease
Kinetic energy of the water particles decrease
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process when gas changes to liquid?
melting
boiling
condensation
freezing
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a difference between boiling and evaporation?
one is fast while the other is slow
one occurs throughout the liquid while the other only on the surface
one occurs at a fixed temperature while the other at any temprature
one has lots of bubbles formed while the other has a few bubbles formed
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