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40 terms

Science- Electricity words

what the title says, please tell me if there are typos
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electricity
form of energy which can travel along conductors
energy
needed to do or change things, anything that can do work or make a change
static electricity
the build-up of of electrical charge on an insulator, electrical charge that remains on an object
charged particles
paraticles that carry electricity
matter
either solid, liquid or gas, that which has mass and occupies space
atoms
extremely small particles which all matter is made up of
electrons
negatively charged particles which orbit the nucleus of an atom
neotrons
neutrally charged paricles which are contained in the nucleus of the atom
protons
positively charged particles which are contained in the nucleus of the atom
nucleus
central core of an atom containing protons and neutrons
conductors
objects that electricity is allowed to pass through
insulators
objects that do not allow electrons to travel thourh
negatively charged
objects that have gained electrons making them... _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
positively charged
objects that have lost electrons making them _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
circuit
complete conducting loop where all components are linked together
free electrons
electrons which are able to to transfer through a substance
circuit diagram
simple way of drawing electrical circuits
terminal
point of attachment for wires to a battery or meter
current
the flow of electrons around a conducting circuit
energy supplier
an object such as a battery, power pack or the wall socket w_ _ _ s _ _ _ _ _ _ _
components
objects which are part of an electrical circuit, lanp, battery, resistor etc
energy user
object which converts electrical energy into other forms e _ _ _ _ _ u _ _ _
series circuit
circuit in which all components are in a single 'loop'
parallel circuit
circuit in which there are two or more 'loops'
alternating current
AC current that keeps changing direction
amp
unit of current
direct current
DC current which travels in one direction only
voltage gain/loss
the loss or gain of energy by the current v_ _ _ _ _ g_ _ _ /l _ _ _
volt
unit of voltage gain or loss
ammeter
meter used to measure the size of a current
voltmeter
meter used to measure the gain or loss of _ _ _ _ _ _ _
diode
lets the current travel in one direction only d_ _ _ e
fuse
a thin wire which melts if the current is too large
resistance
property which makes it hard for electrons to pass r _ _ _ _ _ _ _ _ _
resistor
a component used to limit the current in a branch/part of a circuit
rheostat
a variable resistor with a large coil of resistance wire (think of mood lighting)
ohm
unit of resistance
voltage
energy gained or lost by the circuit
power
total amount of energy supplied or used per second
watt
unit of power