What heavy material was used to make the first magnets?
What is "lodestone"
100
Electromagnets in motors are used to produce?
A. Circuits
B. heat
C. Motion
D. Light
What is "motion"
100
A flow of electrons is called what?
A. Passing gas
B. current
C.circuit
D. Resistor
What is "current"
100
A material that does NOT allow electric current to flow through is what?
A. Charge
B. insulator
C. Field
What is " insulator"
200
An object that attracts things made of iron or steel is called what?
What is "magnet"
200
What does a electric wire coated with plastic or rubber help do?
What is "helps slow or stop the flow of electricity"
200
Charge that stays on an object is called?
A. Electric current
B. magnetic field
C. Static electricity
D. Magnetic poles
What is "static electricity "
200
A material that gives opposition to (or slows) a flow of electric current is
A. Magnetic field
B. current
C. Resistor
D. Charge
What is "resistor "
200
The space near a magnet where magnetic forces act?
A. Charge
B. magnetic field
C. Your nose
D. Your moms nose
What is " magnetic field"
300
Magnets attract each other at?
What is "opposite poles"
300
Electric current passes easily through a?
A. Resistor
B. conductor
C. Insulator
D. Switch
What is " a conductor"
300
When charges are separated (rubbed off) which charge moves?
A. A positive charge
B. a negative charge
C. A neutral charge
D. A sticky charge
What is " a negative charge"
300
An amount of electricity caused by having too few or too many electrons is what?
A. Charge
B. field
C. Insulator
What is "charge"
300
A material that readily allows electric current to flow?
A. Electromagnet
B. conductor
C. A booger
D. Charge
What is " conductor"
400
How many poles does a magnet have?
What is "two poles"
400
Which of the following is the best conductor of electricity?
Air, rubber, plastic, or metal
What is "metal"
400
Which of these was NOT an invention of Michael Faraday?
A. An electric motor
B. An electric generator
C. An electric car
What is "electric car"
400
A magnet formed by a current passed through a wire coiled around a core magnetic material is what?
A. Charge
B. electromagnet
C. Current
D. A booger
What is a electromagnet
400
Or these true or false?
To be safe never touch a bare wire
Remove batteries from toys that are not being used
Never touch a light switch with wet hands
What is all are true
500
The space near a magnet where magnetic forces act is called what?
What is "magnetic field"
500
A magnet is attract to which of the following?
A. Copper penny
B. paper lip
C. Piece of cloth
D. Rubber band
What is "paper clip"
500
When Michael Faraday was young, he was ?
A. A smart kid who loved school
B. a poor kid who worked with a professor
C. A rich kid
D. An artistic painter
What is " a poor boy who worked with a professor"
500
A path for electric current is what?
A. Conductor
B. magnetic field
C. Circuit
D. Insulator
What is "circuit "
500
True or false?
It is okay to use appliances when the cord is worn out?
There is no problem with bathing while using electric things?
There is no need to turn the power off of an electric device before unplugging?
Plugging too many devices to an outlet does not cause any problems?