Electricity 5 Flashcards
The flow of electrons is known as __________.
an electrical current
What is the path than an electrical current takes called?
a circuit
What type of circuit allows electrons to flow?
a closed circuit
To stop the flow of electricity you must have what type of circuit?
an open circuit
What is the flow of electricity called?
a current
What is used to measure electricity?
Amperes and volts
What is the number of electrons that flow through a place in one second called?
Amperes
The measure of the force that pushes electrons through a circuit is the __________.
voltage
What is the energy created by the flow of electrons called?
electricity
What are the negatively charged particles of an atom called?
electrons
Materials that allow electrons to flow through them are known as __________.
conductors
Materials that do now allow electrons to flow through them are known as __________.
insulators
What are good conductors?
metals
What materials are good insulators?
rubber and plastic
What kind of circuit has only one pathway for the current to pass through?
a series circuit
What kind of circuit has two or more pathways for currents to pass through?
a parallel circuit
What is the invisible push or pull force of some materials, such as lodestone, called?
magnetism
What will opposite poles of a magnet do to each other?
attract each other
The north pole of a magnet will repel what pole of another magnet?
the north pole
What type of magnet is made by winding wire around an iron bar and connecting it to a battery?
an electromagnet
The area of magnetism that runs from the north pole to the south pole of a magnet is known as __________.
a magnetic field
What is the discharge of static electricity in the atmosphere called?
lightning
When you rub two materials together, what could be formed?
static electricity
What are iron, nickel, and cobalt?
metals
What inventor discovered static electricity in nature through his famous kite experiment?
Benjamin Franklin
What physicist discovered that magnets can create an electric current?
Michael Faraday
Who used electrical energy as a power source for light bulbs?
Thomas Edison
