Charge that stays on an object.
A. Static Electricity
B. Charge
C. Magnet
A. Static Electricity
Path made for an electric current.
A. Magnet
B. Circuit
C. Insulator
B. Circuit
Ends of a magnet.
A. Magnetic Field
B. Magnetic Poles
C. Charge
Material that resists but doesn’t stop the flow of electric current.
A. Resistor
B. Insulator
C. Conductor
A. Resistor
Measurement of an object’s extra positive or negative particles.
A. Static Electricity.
B. Charge
C. Electric Field
B. Charge
Material that electric current can pass through easily.
A. Resistor
B. Insulator
C. Conductor
C. Conductor
Arrangement of wire wrapped around a core.
A. Magnet
B. Magnetic Field
C. Electromagnet
C. Electromagnet
Material that electric current cannot easily pass through.
A. Resistor
B. Insulator
C. Conductor
B. Insulator
Supplies energy to move charges through a circuit.
A. Electric Cell
B. Electric Current
C. Parallel Circuit
A. Electric Cell
Circuit with one path for electric current.
A. Parallel Circuit
B. Series Circuit
C. Electromagnet
B. Series Circuit
Circuit with more than one path for electric current.
A. Parallel Circuit
B. Series Circuit
C. Electric Current
A. Parallel Circuit
Objects that attract things made of iron or steel.
A. Static Electricity
B. Insulator
C. Magnet
C. Magnet
Space around an object where electric forces occur.
A. Electric Field
B. Magnetic Field
C. Electric Cell
A. Electric Field
Space around a magnet where the force of the magnet acts.
A. Magnetic Field
B. Electric Field
C. Magnetic Poles
A. Magnetic Field
Flow of electric charges.
A. Electric Field
B. Electric Cell
C. Electric Current
C. Electric Current
A bar magnet’s pull is strongest-
A. at the S pole
B. at the N pole
C. at both poles
D. in the middle
C. at both poles
True or False
A battery is an example of an electric cell in a circuit.
True
An object has a _____ charge if it has more negative particles than positive particles.
A. positive
B. negative
C. neutral
D. large
B. Negative
Electromagnets in motors are used to cause-
A. motion
B. light
C. circuits
D. Heat
A. Motion
An object has a _______ charge if it has extra positive charges.
A. large
B. neutral
C. negative
D. positive
D. Positive
If one bulb is removed from a series circuit, the other bulbs will-
A. dim
B. get brighter
C. flicker
D. go out
D. Go Out
Which of the following is NOT a good way to control an electromagnet?
A. turn the current on and off
B. add coils of wire around the core
C. heat or cool it
D. decrease the amount of current
C. Heat or Cool It
When two objects both have positive charges, the objects-
A. attract each other
B. exchange negative particles
C. repel each other
Dneutralize each other
C. repel each other
If one bulb is removed from a parallel circuit, the other bulbs will-
A. dim
B. go out
C. stay lit
D. flicker
C. Stay lit
Copper wire in a circuit ______ electricity.
A. resists
B. insulates
C. conducts
D. energizes