Electricity Termanology Flashcards
Electric current is defined as
The flow of charge which transfers energy around a circuit.
Electricity is the flow of _________.
Electrons
What are the two types of electricity?
Static and current
Which is an example of how we use electricity?
Light bulb
What are facts about electricity
It could be our best friend and our worst enemy (because it has the power to kill)
Lightning is an example of _________.
static electricity
Identify the conductor below.
- cloth rag
- plastic bottle
- gold ring
- wooden Ruler
gold ring
Identify the insulator below.
- aluminum foil
- paperclip
- rubber eraser
- strip of silicon
rubber eraser
In a series circuit, how is the brightness of a light globe affected when another globe is connected?
It gets dimmer
Why are Christmas lights wired in parallel?
If a light breaks, the others keep working
A circuit that is connected to Earth is said to be _____.
grounded
What is voltage measured in?
Volts
What is current measured in?
Amps
What is resistance measured in?
Ohms
What is static electricity?
Static electricity is the result of an imbalance between negative and positive charges in an object. Usually caused by friction.
Opposite charges ———.
Attract
Like charges ———-.
Repel
What charge does an electron have?
Negative
What is an Earthquake?
An earthquake is an event in which the earth suddenly shakes trembles or rocks.
What is a plate tectonic?
Are the top layers of the earth called the crust and the mantle are broken into large pieces or plates
What is a Fault?
Places where these plates meet are called faults and are where most earthquakes occur this is because tectonic plates move very slowly at a rate of about one to two inches per year
What is a Focus?
The place where the earthquake is actually generated is often hundreds of feet below the surface .
What is a epicentre?
The point on the surface of the earth directly above the focus is called its epicentre and usually is where the earthquake is the strongest and where most damage occurs
What is a seismologist?
Scientists who study and try to predict earthquakes
