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Mrs. Buchanan - Energy Transformations
Test Description: Energy Transformations
Instructions: Answer all questions to get your test result.
1) The law that states that energy cannot be created or destroyed is
A
the law of thermodynamics
B
the law of conservation of fossil fuels
C
the law of conservation of mass
D
the law of conservation of energy
2) When energy changes from one form to another, the process is called a
A
morph
B
energy change
C
conversion
D
transformation
3) Another name for the movement of thermal energy is
A
warmth
B
degrees Celcius
C
heat
D
temperature
4) The process in which thermal energy moves due to vibrations and particle to particle contact
A
radiation
B
convection
C
heat transfer
D
conduction
5) During a transformation some energy is always released in the form of
A
thermal energy
B
kinetic energy
C
mechanical energy
D
chemical energy
6) As the efficiency of a system increases the thermal energy produced as a by-product
A
increases
B
decreases
C
stays the same
D
disappears
7) Thermal energy is transferred between fluids by which process?
A
heat transfer
B
convection
C
radiation
D
conduction
8) As the sun's UV rays travel to Earth, thermal energy is transferred by which process
A
convection
B
conduction
C
radiation
D
heat transfer
9) Friction generates which type of energy
A
mechanical
B
chemical
C
thermal
D
kinetic
10) Which unit is used to measure energy in the SI system
A
Hz
B
Joules
C
calories
D
Celcius
*select an answer for all questions
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