Electricity
Electricity Powers Our ______ & _____. We Rely On This Energy For Things Like Watching TV And Washing Our Clothes
Cities & Homes
Electricity begins inside atoms which are made of a nucleus surrounded By _________
Electrons
Electrical circuit is a pathway that allows electrons to flow For current to flow the path must have no ____ it must be a series circuit
Gaps
Is an invisible force that allows magnets to push or pull objects without touching them
Magnetism
These are temporary magnets made by wrapping or wire coil carrying a _______ around an iron core
Current
Electricity occurs naturally when certain _________ come into contract
Materials
Electricity is often compared to ______ flowing from one place to another
Fluids
A single path connected devices with only one loop for current to flow through
Series circuit
Only certain materials like ____, ______ and ______ are attracted to magnets or can be permanent magnets
Iron, cobalt and nickel
An ________ _____ is a device that converts electrical energy into mechanical energy
Electric motor
The Accumulation of excess charges on an object
Static Electricity
Consists of 2 metal plates covered by a chemical in a circuit, electrons transfer through the chemical of one plate, through the wire, lighting the bulb, then back to the other plate
Dry Cell Battery
Two or more branches if one light goes out current could fall through another branch so other lights could stay on
Parallel circuit
These are made by placing a magnetic material in a strong magnetic field to align the domains
Permanent magnets
Current flows in one direction through a wire
Direct current
Lightning is a massive flash of electricity usually seen in a ____________
Thunderstorm
Has 2 plates made of different metals in a conducting solution
Wet Cell Battery
Anders home threw a _______ breaker or fuse box
Circuit
Opposite polls attract each other, wow like poles _____ each other
Repel
Current reverses direction in regular patterns the current strength can be easily be increase or decreased
Alternating current
_________ move down towards the ground in patterns called Step ladders
Electrons
In the 1820s, German scientist george ohm he discovered that even the best conductors Have some resistance to a current
george ohm
A small piece of _____ that melts if the current is too high breaking the circuit to prevent fires
Metal
Our groups of atoms with online that magnetic poles when the domain in a material like iron or align the iron is
Magnetized
Transform electrical energy into mechanical movement essential in devices like toy cars
Electric motors