4th Grade Chapter 5 Test Magnets And Electricity Question Preview (ID: 49171)


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A form of energy that involves the flow of electrical charges is called---
a) electricity
b) magnetism
c) circuit
d) conductor

When electrical charges build up on the surface of an object, _____occurs.
a) current electricity
b) static electricity
c) parallel circuit
d) series circuit

A material that allows electricity to flow through it easily is called…
a) an insulator
b) a circuit
c) a proton
d) a conductor

An unbroken path through which negative charges can flow is called a ---
a) a conductor
b) a series
c) a circuit
d) a proton

Two things that use electromagnets are microwave ovens and ---
a) maglev trains
b) screwdrivers
c) refrigerators
d) paper currency

An object that attracts certain metals is called---
a) an insulator
b) a conductor
c) a magnet
d) a circuit

A magnetic field is caused when_______ flows through a circuit.
a) air
b) protons
c) a current
d) an insulator

A material that does not allow electricity to flow through it easily is called ---
a) a conductor
b) an insulator
c) a circuit
d) a proton

Particle of matter have a positive or ______________ charge.
a) negative
b) neutral
c) both a and b
d) none of the above

Objects with the same kind of charge ____ each other.
a) attract
b) generate
c) repel
d) none of the above

The ends of magnets are called the ---
a) generators
b) magnetic fields
c) electromagnets
d) poles

The area around a magnet where the force of the magnet can act is called the ---
a) electromagnet
b) magnetic field
c) poles
d) generator

The pushing or pulling force caused by a magnet is called---
a) magnetism
b) electricity
c) a generator
d) an insulator

Objects with opposite charges _______ each other.
a) attract
b) repel
c) both a and b
d) none of the above

A temporary magnet formed when electric current flows through a wire coiled around certain metal cores is called---
a) an insulator
b) an electromagnet
c) a conductor
d) a magnetic field

The ends of magnets are called ---
a) the poles
b) the generators
c) the conductors
d) the electromagnets

Electricity can be produced by a ____, which uses a coil of wire and a magnet.
a) generator
b) magnetic field
c) pole
d) none of the above

Every circuit must have an unbroken path and a ---
a) magnet
b) power source
c) generator
d) pole

A ________ has more than one path.
a) parallel circuit
b) series circuit
c) conductor
d) magnetic field

A magnet's magnetism is _____________ at the magnet's poles.
a) neutral
b) strongest
c) weakest
d) none of the above

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