Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Electricity
|
The movement and transfer of energy and charged particles
|
|
|
Static electricity
|
Buildup of a positive or negative electric charge on a materials surface
|
|
|
Induced charge
|
A static charge caused by the presence of an object that itself has a net positive or negative charge
|
|
|
Current electricity
|
The flow of electricity through a circuit
|
|
|
Resistor
|
Lowers the amount of electricity that flows through a device
|
|
|
Series circuit
|
Only one path along which current electricity can flow
|
|
|
Parallel circuit
|
Has multiple path along which current electricity can flow
|
|
|
Magnetic field
|
An Invisible area where the forces of magnetic attraction or repulsion can be detected
|
|
|
Electromagnet
|
A device that is magnetized by current electricity
|
|
|
Generator
|
A device that converts mechanical energy-energy supplied by a hand crank, turbine, magnets or motors-into electricity
|
|
|
Conductor
|
The movement of electricity through direct contact
|
|
|
Insulator
|
A material that does not allow an electric charge to transfer easily
|
|
|
Grounding
|
.
|
|
|
Direct current
|
Current that flows in one directon
|
|
|
Alternating current
|
Current that flows back and forth(not in one direction)
|
|
|
Fuse
|
A device that prevents dangerous levels of electrical current from continuing to flow through a circuit
|
|
|
Transformers
|
Devices that either increase or decrease the voltage of current electricity
|
|
|
Volt
|
How energy is measured
|
|
|
Attract
|
Opposite charges attract each other
|
|
|
Repel
|
Like charges will repel
|
|
|
Pole
|
All magnets have two poles. A north seeking pole and a south seeking pole.
|
|
|
Switch
|
Controls the flow of a charge in a circuit
|
|
|
Electricity safety tips
|
Never touch a wall socket, never pull on a torn or damaged plug, never pull a plug out by the cord
|
|
|
Magnetosphere
|
Makes a barrier around the earth. The field acts like a shield, protrecting Earth from charged particles that comes torward it from the sun
|
|
|
Aurora
|
.
|
|
|
Pictures of electric discharge
|
.
|
