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Electricity

QuestionAnswer
discharge the sudden movement of electrical charges from one object to another object
static electricity the build up of electrical charge on an object or material
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
resistor objects that resist the flow of electric current
electromagnet a magnet formed when electric current flows through wire, wrapped in coils, around an iron bar
motor a device that changes electricity or other forms of energy into mechanical energy
generator a device that produces alternating current by spinning an electric coil between the poles of a magnet; changes motion into electrical energy
balanced forces forces that cancel each other out when acting together on a single object
unbalanced forces forces that do not cancel each other out when acting together on a single object
If an object has more negative particles than positive, it will have a _____________________ charge. negative
If an object has more positive than negative particles, it will have a ____________________ charge. positive
If two objects both have positive charges, they will _________________ each other. repel
If two objects both have negative charges, they will _________________ each other. Objects with the same charges repel each other. repel
If one object has a positive charge and another has a negative charge, they will __________________ each other. Objects with opposite charges attract. attract
Name 4 examples of conductors __________________, __________________, ___________________, _________________ aluminum, tin, copper, iron
Name 4 examples of insulators ________________, _________________, __________________, ____________________ rubber, plastic, wood, glass
All matter is made up of _______________________. atoms
What shape are atoms? round
Can atoms be seen with just your eyes? no
Created by: sldavison