Worksheetsพลังงานความร้อน
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Matter will change from one state to another if thermal energy is _______.
a)
released
b)
absorbed
c)
all of the above
d)
none of the above
2.
What do you call the temperature at which a substance changes from a liquid to a solid?
a)
Melting Point
b)
Boiling Point
c)
Freezing Point
d)
Solid Point
3.
As the thermal energy of a substance increases, its particles spread out and the substance expands.
a)
True
b)
False
4.
The particles of a gas move ____than the particles of the same substance in the liquid or solid state.
a)
faster
b)
slower
c)
same speed
5.
The change of state from a solid to a liquid is called ______.
a)
Freezing
b)
Boiling
c)
Melting
6.
What is the freezing point on the celsius scale?
a)
0
b)
32
c)
100
d)
-100
7.
Thermal energy and temperature are the same.
a)
True
b)
False
8.
Which of the following are kinds of heat transfer.
a)
Conduction
b)
Convection
c)
Radiation
d)
All of the above
9.
_________ is the amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin.
a)
thermal energy
b)
specific heat
c)
thermostat
d)
temperature
10.
Which type of engine burns fuel outside the engine?
a)
Internal combustion engine
b)
External combustion engine
100 %
