Magnets
The ends of a magnet are called...
Magnetic poles
What heavy material was used to make the first magnets?
Lodestone
Electromagnets can produce:
A. Electricity
B. Light
C. Heat
D. All the answers are correct
All the answers are correct.
The flow of electrons is called...A. Passing gas
B. Current
C. Circuit
D. Resistor
Current.
A material that does NOT allow electric current to flow through is what?
A. Charge
B. Insulator
C. Field
Insulator
An object that attracts things made of iron or steel is called...
Magnet
What does a electric wire coated with plastic or rubber help do?
Ih helps stop the flow of electricity
Charge that stays on an object is called?
A. Electric current
B. Magnetic field
C. Static electricity
D. Magnetic poles
Static electricity
A material that gives opposition to (or slows) a flow of electric current is...
A. Magnetic field
B. Current
C. Insulator
D. Charge
Insulator
The space near a magnet where magnetic forces act is...
A. Charge
B. Magnetic field
C. Outer space
D. The south pole or Antarctica
Magnetic field
Magnets attract each other at...
Opposite poles
Electric current passes easily through a?
A. Resistor
B. conductor
C. Insulator
D. Switch
Conductor
When charges are separated (rubbed off), which charge moves?
A. Positive charge (protons)
B. Negative charge (electrons)
C. Neutral charge (neutrons)
Negative charge.
An amount of electricity caused by having too few or too many electrons is...
A. Charge
B. Field
C. Insulator
Charge
A material that allows electric current to flow is...
A. Electromagnet
B. Conductor
C. Driver
D. Charge
Conductor
How many poles does a magnet have?
Two poles
Which of the following is the best conductor of electricity?
A. Air
B. Rubber
C. Plastic
D. Metal
Metal
True or false.
Static electricity is the flow of electricity through a wire.
False.
A temporary magnet formed by a current passing through a coated wire wrapped around a piece of iron is what...
A. Charge
B. Electromagnet
C. Current
D. A magnet
Electromagnet
A magnet that acts as a magnet for a short period of time is called ________.
Temporary magnet.
The space near a magnet where magnetic forces act is called...
Magnetic field
A magnet is attracted to:
A. Copper penny
B. Paper clip
C. Piece of cloth
D. Rubber band
Paper clip
Electromagnets need __________ to act as magnets.
electricity
A path for electric current is...
A. Conductor
B. Magnetic field
C. Circuit
D. Insulator
Circuit
A magnet that acts as a magnet for a long time is a _____ .
Permanent magnet.