Electrifying Terms
These are subatomic particles with a negative charge:
electrons
Electron clouds overlap so loose electrons wander between atoms in these materials:
metals
This is what happens when there is an imbalance of charge:
static electricity
This is the complete path around which electric current can flow:
a circuit
The unit of measure for resistance in a circuit are ______.
Ohm's
Every movement or change in the universe is the result of ____________.
energy being transferred/changed from one form to another
The attraction of positive and negative charges bings copper atoms so they come together in a __________________ patter.
metallic lattice
When an object picks up extra electrons, it becomes ________ charged.
negatively
This is a device that is sued to open and close a circuit:
a switch
This was a device invented by Benjamin Franklin to prevent damage from static electricity by grounding it:
lightening rod
An atom that has lost or gained an electron is called ______.
ion
Because energy is transferred easily from atom to atom, metals have this property:
good conductor of electricity/heat
This force can dislodge or knock loose electrons from atoms:
friction
The chemical reaction inside ________ separates charges and starts the flow of electrons in a circuit.
batteries
A safety device that interrupts a circuit if too much current heats up wiring is called a _______________.
circuit breaker or fuse
The flow of electrical charge through a conductor is called ______________.
electric current
Rubber and plastic are insulators because of this feature in their atomic structure:
Their atoms do not easily give up/transfer electrons
Opposite charge do this:
attract to one another
In a circuit, the device that converts electrical energy to other forms of energy is called _________.
the load
When we measure the potential difference between the negative and positive terminals of a dry cell, we are measuring in ________.
volts
When a current bypasses the part of the circuit that does work, a ________________ occurs.
short circuit
Of these two materials, glass and iron, _________ is an insulator.
glass
The build up of opposite charge between cloud and ground beneath often result in __________.
lightening
The resistance of a superconductor is ________.
zero
The rate of flow of electrons is measured in ______.
amps or amperes