Unit 8 Review Question Preview (ID: 14546)
Review Of Energy Transformations.
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Which of the following is the ability to cause change in matter?
a) conduction
b) transfer
c) energy
d) matter
An energy transformation is _______.
a) energy that is related to heat
b) the amount of energy
c) energy changing from one form to another
d) energy can not be created or destroyed
Which of the following are the main types of potential and kinetic energy?
a) conduction, convection and radiation
b) radiant, thermal, chemical, mechanical, and electrical
c) heat, light and sound
d) batteries, lightning, fire and the sun
7. A student who is feeling cold briskly rubs her hands on her bare arms. What energy transformation is the student using to feel warmer?
a) mechanical to thermal
b) thermal to chemical
c) light to thermal
d) electrical to thermal
Which object works by changing chemical energy to mechanical energy?
a) circuit
b) bicycle
c) toaster
d) sun
Which of the following energy transformations take place in a hair dryer?
a) electrical to thermal and sound
b) chemical to thermal and sound
c) electrical to chemical
d) radiant to electrical
The Law of Conservation of Energy states that ____.
a) energy is neither created or destroyed
b) energy can not be transformed
c) energy can be created
d) energy can be destroyed
What types of energy are coal, vegetables, and gasoline?
a) mechanical
b) radiant
c) chemical
d) electrical
Which object transforms electrical energy into mechanical?
a) fans
b) xrays
c) ipods
d) flashlight
What types of energy transformations take place during photosynthesis?
a) chemical to light
b) chemical to thermal
c) mechanical to thermal
d) radiant to thermal
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