5th Grade- Electrical Energy Question Preview (ID: 36994)


Electrical Energy. TEACHERS: click here for quick copy question ID numbers.

electrons have a _________ charge
a) positive
b) neutral
c) negative
d) strong

When two positive charges are brought together they
a) attract
b) repel
c) do nothing
d) cause electric currents to flow

In older homes, a _______ makes a break in the circuit if too much electricity is flowing. These CANNOT be fixed, and must be replaced once they are broken
a) fuse
b) circuit breaker
c) dimmer switch
d) special switch

Electricians usually say that every circuit in the home begins and ends at the
a) power plant
b) electrical outlet
c) light bulbs
d) circuit box

A ______ is used to control the flow of electricity in homes. Without this, your TV, radio, lights, and other devices would always stay on
a) circuit box
b) switch
c) battery
d) volt

How FAST you use electrical energy is measured in a unit called a ____
a) volt
b) watt
c) current
d) battery

GFCI outlets look like regular outlets, except they have
a) a dimmer switch
b) a fuse
c) two small buttons
d) only one input

When too much electricity flows, a ___________ automatically flips to the off position
a) circuit breaker
b) circuit stopper
c) circuit heater
d) circuit destroyer

___________ measure how STRONGLY the electrons in a wire are pushed
a) watts
b) current
c) kilowatt
d) volts

A kilowatt is equal to
a) 1,000 watts
b) 10 watts
c) 100 watts
d) 10,000 watts

usually, atoms have the same number of protons and electrons
a) true
b) false
c)
d)

If left on for a long time, an energy saving bulb will use more energy than a traditional one left on for a short time.
a) true
b) false
c)
d)

Magnetism and electricity are very different
a) true
b) false
c)
d)

A circuit is a device that uses a magnet to change mechanical energy into electrical energy
a) true
b) false
c)
d)

Electric companies measure the amount of electrical energy used in a home in kilowatt hours
a) true
b) false
c)
d)

A giant spark of moving electrical charges is called
a) generator
b) switch
c) lightning
d) GFCI outlet

A special outlet that can switch off in a dangerous situation is called a
a) lightning
b) generator
c) switch
d) GFCI outlet

A _____________ uses a magnet to change mechanical energy into electrical energy
a) generator
b) GFCI outlet
c) switch
d) electric current

a __________ can open or close a circuit
a) switch
b) GFCI outlet
c) electric current
d) lightning

wind mills use _______ energy to turn a turbine
a) water
b) solar
c) wind
d) coal

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