What are the charges for protons, neutrons and electrons?
protons - positive, electrons - negative, neutrons - no charge
a material in which electric charges easily move (metals, i.e. copper)
electric conductor
What is a parallel circuit?
an electric circuit that has multiple paths where electric current can flow
What are electric insulators? Explain AND give an example.
a material in which electric charges can not easily move; EXAMPLES: plastic, wood, glass
What are the three parts of an atom?
protons, electrons, neutrons
the amount of energy used to move one coulomb of electrons through the circuit
voltage
the movement of electrically charged particles (such as electrons)
electric current
a push or a pull a magnetic field applies to either a magnetic material or an electric current
magnetic force
a material in which electric charges cannot easily move (plastic, wood, glass)
electric insulator
an unbalanced amount of positive charge or negative charge (can be positively charged or negatively charged)
electrically charged
electric current where electric charges continually reverse directions
alternating current
What is a series circuit?
am electric circuit that only has one path through which an electric current can flow
the loss of an unbalanced electric charge
electric discharge
having equal amounts of positive charge and negative charge
electrically neutral
The electric devices in most homes are on __ circuits.
parallel
a closed or complete path in which an electric current flows
electric circuit
an object that attracts iron and other materials that have magnetic qualities similar to iron
magnet
a measure of how difficult it is for an electric current to flow in a material
electric resistance
electric current where electric charges flow ONE way
direct current
a region in a magnetic material in which the magnetic fields of the atoms all point in the same direction
magnetic domain
the force that two electrically charged objects apply to each other
electric force
the invisible region around any charged object where an electric force is applied
electric field
What are electric conductors? Explain AND give an example.
a material in which electric charges easily move; EXAMPLES: Metals such as copper
Objects become electrically charges when __ move from one object to another.
electrons
where a magnetic field has the strongest force; north and south
magnetic poles
Which charges repel and which charges attract?
positive/positive and negative/negative - repel; positive/negative - attract
machines that transform mechanical energy to electric energy
generator
any material that a magnet attracts
magnetic material
a temporary magnet made with a current-carrying wire coil wrapped around a magnetic core
electromagnet