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40 Cards in this Set

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static electricity

the buildup of electrical charge on an object or material

discharge

the sudden movement of electric charges from one object to another object

electric current

the flow of electrical charges


circuit

a path through which electric current can flow

series circuit

a circuit in which electric current flows in the same direction along a single path

parallel circuit

a circuit in which electric current flows through more than one path

What is electrical charge

Electricity is the result of electrical charges. An electrical charge is a property of matter (like a color or hardness

What is matter made up of?

tiny particles called atoms

What is inside an atom?

An atom consists of the tiniest particles that have both a positive and negative electrical charges.

A positive and negative charge _________ each other.

attracht (pull)

Like charges _______ each other.

repel (push away)

What is static electricity

The buildup of electrical charges on an object

How do charges move?

They move by Electrical Discharge, Lightning, Electric current.

What do you need to make an electric current?

You need a path that will carry it.

what is the path along which an electric current flows called?

Circuit

Name the 3 parts of a Simple Circuit

Power Source




A source powers a load




Connectors carry electrical charges between the power source and the load

battery




lightbulb or a motor




wires



What is the flow of electrical charges through a circuit called

current electricity

I order for the current to keep moving, there can not be any _______________.

gaps or breaks in the circuit

What is a complete, unbroken circuit called

closed circuit

A circuit wit gaps is called an

open circuit

The path in an _________ circuit is incomplete & the current will not flow through it.

open

Having an open switch means the circuit is open. What does it do to the current?

No current flows = Lights are off

A switch in a closed position means a complete circuit. What does it do to the current?

Current flows through it = Lights are on.

A one-way circular path that travels in one direction is called

series circuit


In a series circuit, electric current flows in the _____________ along a single path.

same direction

In order for electrical charges to flow in a series circuit, the parts much be ________.

connected to each other

Charges do not flow through a series circuit when one part is _________.

removed.

Circuit that leads to the same place, but takes different paths is called?

parallel circuit

Different paths in a circuit are called?

branches


In a parallel circuit, if you remove one part, current still flows through the _______________ in the other branch.

complete circuit

Electric outlets in most homes are connected to ________ circuits.

parallel

A ____________ circuit turns off all electrical devices in a home at once.

series

How do material affect the flow of electric current?

Materials that allow current to flow through them are called conductors

___________ do not allow current to flow through them?

Insulators. They protect you from getting shocked

What material is an example of an insulator?

Plastic

What is the ability to oppose or slow electric current?

Resistance

What will occur if a current flows through a path with little resistance?

a short circuit can occur.

How can short circuits be dangerous?

The wires can heat up and cause a fire.

What helps prevent short circuits?

a fuse


What protects a circuit breaker? How?

A switch


When a dangerously high current flows through it, the switch opens and current can not flow.