WorksheetsChapter 14 Science
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
A push or a pull a magnetic field applies to either a magnetic material or an electric current.
a)
magnetic material
b)
magnetic domain
c)
magnetic force
2.
When an object has an unbalanced amount of positive charge or negative charge.
a)
electrically neutral
b)
electrically charged
c)
electric discharge
3.
The movement of electrically charged particles
a)
electric field
b)
electric current
c)
electric resistance
4.
Any material that a magnet attracts
a)
magnetic material
b)
generator
c)
electric conductor
5.
The amount of energy used to move one coulomb of electrons through a circuit
a)
voltage
b)
generator
c)
magnet
6.
The loss of an unbalanced electric charge
a)
electric discharge
b)
electric field
c)
electric force
7.
When a particle has equal amounts of positive charge and negative charge
a)
electric discharge
b)
electrically neutral
c)
electric force
8.
The invisible region around any charged object where an electric force is applied
a)
electric field
b)
magnetic domain
c)
electric current
9.
A region in a magnetic material in which the magnetic fields of the atoms all point in the same direction
a)
electric field
b)
magnetic domain
c)
electric force
10.
A measure of how difficult it is for an electric current to flow in a material
a)
electric conductor
b)
electrical resistance
c)
electric insulator
11.
A material in which electric charges easily move
a)
electric conductor
b)
electrical resistance
c)
electric current
12.
A closed, or complete, path in which an electric current flows
a)
electric conductor
b)
electrical resistance
c)
electric current
13.
An object that attracts iron and other materials that have magnetic qualities similar to iron
a)
magnetic field
b)
magnet
c)
electromagnet
14.
A material in which electric charges cannot easily move
a)
electric conductor
b)
electrical resistance
c)
electric insulator
15.
A machine that transforms mechanical energy to electric energy
a)
pulley
b)
generator
c)
copy machine
16.
A temporary magnet made with a current-carrying wire coil wrapped around a magnetic core
a)
electromagnet
b)
electric current
c)
magnetic force
17.
Each atom contains a core called the
a)
neutron
b)
nucleus
c)
proton
18.
The nucleus is made up of smaller particles called protons and...
a)
neutrons
b)
electrons
c)
atoms
19.
Atoms also contains __________ which move around the nucleus
a)
neutrons
b)
electrons
c)
protons
20.
Protons have ____ charge; electrons have ____ change
a)
no, negative
b)
negative, no
c)
positive, negative
21.
An electric current that flows in only one direction is a(n) ____ current
a)
flowing
b)
direct
c)
alternating
22.
An electric current that frequently changed direction is a(n) ____ current
a)
flowing
b)
direct
c)
alternating
23.
The unit used for counting electrons in a circuit is the
a)
coulumb
b)
unit
c)
electrical current
24.
The ___ of an electric energy source is the amount of energy used to move a coulomb of electrons through the circuit.
a)
coulomb
b)
unit
c)
voltage
25.
A magnet is surrounded by an invsible
a)
magnetic field
b)
magnetic force
c)
magnetic domain
26.
Earth has a magnetic north pole and a magnetic ___
a)
South pole
b)
equator
c)
imaginary lines
27.
The relationship between electricity and magnetism is called ____
a)
magnetic electricity
b)
sparks
c)
electromagnetism
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