Chapter 8 Review Flashcards
A ________ circuit has only one path for electricity to travel
series
An ___________ circuit is a very small circuit with all the parts built into it
integrated
A ________ circuit has multiple paths for electricity to travel
parallel
A ________ is a continuous unbroken path
circuit
Define magnet
any material that has the ability to attract iron
A ___________ uses a magnet to convert motion into electrical energy
generator
A material through which electricity cannot flow
insulator
a liquid or paste substance that conducts electricity
electrolyte
a material that allows electricity to flow through it easily
conductor
a material that reduces the flow of electricity
resistor
The brain of the computer that tells the other parts of the computer what to do is called the _____ _______ ________.
central processing unit - CPU
Know what makes a good insulator
plastic, wood, and glass
a switch is a conductor that can moved to close or open the _______.
circuit
What is the area of magnetic force around a magnet called?
magnetic field
Integrated circuits signal information by open and closing electrical circuits in __________.
sequence
Static electricity occurs when electrical charges build up on the _________ of one _________.
surface / object
Two objects rubbing together produce ________ electricity.
static
Magnetic force is strongest where?
at the poles
A _______ _______ has only one path, or one circuit, for the electricity to travel.
series circuit
Who discovered that adding a metal core to a coil of wire increased the magnetism?
William Sturgeon
What unit measures how much current flows through a given part of a circuit in one second?
ampere
Who discovered that current traveling through a wire produces a weak magnetic field in the live wire?
Hans Christian Oersted
Which unit measures the amount of electrical push, or force, in a circuit?
volt
Who discovered that moving a magnet around or through a loop of wire produces electricity in the wire? (2 people)
Joseph Henry & Michael Faraday
