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Electricity and Magnetism Combined
Terms in this set (48)
a magnet that runs on electricity
the flow of charged particles
a pathway where charged particles can move freely in complete path
the push or pull that moves charged particles
to push apart
a measure of the energy for an amount of charge
an electric device that can control the current in a circuit
a material that allows free charged particles to move easily from one atom to another
opposition to the flow of electrical current
the force a magnet exerts on iron or another magnet
the strength and direction of the magnetic force a magnet exerts at each point in space
the relationship between magnetism and electricity
a device that converts mechanical energy into electrical energy using the motion of a magnet inside a child of wire
a device that generates electrical energy using chemical reactions inside a small enclose space (cell)
direct current (DC)
an electric current that flows in only one direction
alternating current (AC)
an electric current that reverses direction at a regular rate
The flow of electricity
An object that doesn't conduct electricity. Electrons cannot flow because it has high resistance
An object that has low resistance. Electrons can flow easily
More electrons than protons (has gained electrons)
More protons than electrons
Amount of protons = amount of electrons
When resistance increases, current ________.
When voltage increases, current _________.
The build-up of electric charges on an object
Current x Voltage =
The relationship between resistance, current, and potential difference
Unit for Voltage
The pressure behind electrons
A hinderance (obstacle) to electrons flowing smoothly (how much they slow down)
Watts (W) or Kilowatts
The unit for power
Unit for Current
Friction can cause _________ to be transferred from one object to another
Someone rubbing a balloon on the carpet and sticking it to a wall
An example of Static Electricity is
The energy of moving electrons
opposite poles do this
like charges do this
a navigational instrument that has a magnetized hand that spins to locate geographic north using Earth's magnetic field.
Magnetic field lines
Imaginary lines used to illustrate and describe the pattern of the magnetic field. The magnetic lines of force are assumed to come from the north pole of a magnet, pass through surrounding space, and enter the south pole.
the space around a magnet in which magnetic forces are exerted
Where the magnet is the strongest and lines are closest together.
A temporary magnet created by running current through coiled wires. The strength can be increased by increasing the flow of current or the number of coils.
Rocks that attract iron, nickel, or cobalt. Example is magnetite from the ore called lodestone.
the attraction caused by a magnetic force on an iron, cobalt or nickel object
the force of repulsion (pushing) or attraction (pulling) between poles of magnets
Region of space affected by Earth's magnetic field.
A region in which the magnetic fields of all atoms are lined up in the same direction
Colored light produced by charged particles from the solar wind and from the magnetosphere that react with and excite the oxygen and nitrogen of Earth's upper atmosphere; usually seen in the sky near Earth's magnetic poles. Also called the "Northern Lights."
THIS SET IS OFTEN IN FOLDERS WITH...
PBIS Energy Learning Set 1 Expanded
PBIS Energy Learning Set 2-Expanded Version
PBIS ENERGY Learning Set 4 ALL
PBIS Vehicles in Motion Learning Set 1.5->1.9
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