Electricity Flashcards
What does a negative electrical charge symbol look
- (minus)
What creates static electricity
Rubbing certain materials together
What does a positive electrical charge symbol look like
+ (Plus)
What kind of material is needed for electricity to flow
Conductor
Name examples of conductors
Metal copper
What type of material does not conduct electricity as well
Insulator
Name some examples of an insulator
Rubber plastic wood
Why will energy pass more or less easily through conducting materials
Because of the materials resistance
What is the discharge of static electricity in the atmosphere called?
Lightning
What types of energy can electrical energy be transformed into?
Heat
Light
Mechanical
What creates an electric current (electricity)?
A continuous flow of negative charges?
What is the pathway taken by an electric current called?
A Circuit
What type of circuit allows the movement of electrical energy?
Closed circuit
What type of circuit prevents the movement of electrical energy?
Open circuit
Dry cell batteries use the symbols + and -
What does - represent?
Electrical energy