Electricity I
Near Niagara Falls, the energy from water is transformed with a generator into another form of energy called
electricity
How you get a balloon to stick to your head
static electricity
A common device that can open or close a circuit is called a
switch
Sun and wind are two forms of renewable energy that can be transformed into
electricity or electrical energy
Which is a good electrical conductor: A) plastic B) wood C) rubber D) metal
D) metal.
The buildup of charged particles is
A) parallel current
B) static electricity
C) conductive energy
B) static electricity
This type of circuit where there is only one path for the current to take.
A series circuit
Electrons in a circuit are pushed away from a battery's ____________ pole.
negative
All matter is made of___________
atoms
Nuclear power plants, and batteries both convert chemical energy into _______________.
electrical energy
A flow of electricity through a conductor is called an
electric current
Like charges move easily through a material which is a good _________________.
conductor
A circuit needs to be ___________ to produce electricity.
Closed
The tendency for a material to oppose the flow of electrons in a circuit, changing electrical energy into another form of energy (such as light energy, heat energy or sound energy) is called
resistance
or a resistor
The lightbulb in a lamp can transfer the electrical energy flowing along a circuit into ................ and ............... energy.
light and heat
This type of circuit is used mostly in battery operated hand-held devices.
Series circuit
This part of the circuit provides power to the circuit
The amount of electric current moving in a circuit is measured in ________________.
amps or amperes.
Homes are wired in __________.
A: series circuit
B: parallel circuit
B: parallel circuit
Electrical current is the flow of moving _______________.
electrons.
Connecting an object to Earth with a conducting wire to prevent the build-up of electrons is a common safety procedure called
grounding
The type of circuit in which there are several paths for the current to take is called a
parallel circuit
Electrons in a circuit are pulled toward the battery's __________ pole.
positive
It is possible to create a battery using lemons, a zinc nail, and a copper wire because the electrolytes in the citric acid is a
conductor
When an electrically charged particle jumps from one surface to another it makes a bright light called a
spark/shock