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4th Grade Chapter 5 Test Magnets And Electricity
Test Description: Review
Instructions: Answer all questions to get your test result.
1) A form of energy that involves the flow of electrical charges is called---
A
conductor
B
circuit
C
magnetism
D
electricity
2) When electrical charges build up on the surface of an object, _____occurs.
A
series circuit
B
parallel circuit
C
static electricity
D
current electricity
3) A material that allows electricity to flow through it easily is called…
A
a conductor
B
an insulator
C
a proton
D
a circuit
4) An unbroken path through which negative charges can flow is called a ---
A
a conductor
B
a series
C
a proton
D
a circuit
5) Two things that use electromagnets are microwave ovens and ---
A
refrigerators
B
maglev trains
C
paper currency
D
screwdrivers
6) An object that attracts certain metals is called---
A
an insulator
B
a circuit
C
a magnet
D
a conductor
7) A magnetic field is caused when_______ flows through a circuit.
A
protons
B
a current
C
an insulator
D
air
8) A material that does not allow electricity to flow through it easily is called ---
A
an insulator
B
a proton
C
a conductor
D
a circuit
9) Particle of matter have a positive or ______________ charge.
A
none of the above
B
both a and b
C
neutral
D
negative
10) Objects with the same kind of charge ____ each other.
A
generate
B
attract
C
repel
D
none of the above
11) The ends of magnets are called the ---
A
poles
B
generators
C
magnetic fields
D
electromagnets
12) The area around a magnet where the force of the magnet can act is called the ---
A
magnetic field
B
poles
C
electromagnet
D
generator
13) The pushing or pulling force caused by a magnet is called---
A
an insulator
B
a generator
C
magnetism
D
electricity
14) Objects with opposite charges _______ each other.
A
attract
B
both a and b
C
none of the above
D
repel
15) A temporary magnet formed when electric current flows through a wire coiled around certain metal cores is called---
A
a conductor
B
a magnetic field
C
an insulator
D
an electromagnet
16) The ends of magnets are called ---
A
the poles
B
the generators
C
the conductors
D
the electromagnets
17) Electricity can be produced by a ____, which uses a coil of wire and a magnet.
A
pole
B
none of the above
C
generator
D
magnetic field
18) Every circuit must have an unbroken path and a ---
A
generator
B
magnet
C
power source
D
pole
19) A ________ has more than one path.
A
parallel circuit
B
magnetic field
C
series circuit
D
conductor
20) A magnet's magnetism is _____________ at the magnet's poles.
A
weakest
B
neutral
C
strongest
D
none of the above
*select an answer for all questions
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