End Of Course Review #4 Question Preview (ID: 28585)
This Is A Partial End Of Course Review For The 7th Grade. (Most Questions Related To Energy Flow).
TEACHERS: click here for quick copy question ID numbers.
The flow of energy through plants and animals is called ___.
a) the food chain.
b) photosynthesis
c)
d)
___ use(s) devices to control the flow of electricity to do work for us.
a) Electronics
b) Transistors
c) Microchips
d) Electricity
___ are switches that changes the pattern of electrons.
a) electronics
b) transistors
c) microchips
d) electricity
Many tiny transistors linked together to control electronics is a(n) ____.
a) electronic
b) transistor
c) microchip
d) electricity
The movement of electrons is a form of energy called
a) electronics
b) transistors
c) microchips
d) electricity
The science of using natural materials to help us in our lives is technology.
a) true
b) false
c)
d)
Energy flow of a PV Cell: from ___ energy to ___ energy.
a) radiant, electrical
b) chemical, electrical
c) motion, thermal
d) radiant, thermal
Energy flow of a battery: from ___ energy to ___ energy.
a) chemical, thermal
b) thermal, chemical
c) chemical, electrical
d) electrical, chemical
Energy flow of a bicycle: from ___ energy to ___ energy
a) motion, chemical
b) chemical, motion
c) thermal, motion
d) radiant, thermal
Energy flow of a wind turbine: from ___ energy to ___ energy
a) electrical, motion
b) motion, thermal
c) thermal, motion
d) motion, electrical
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