Earth's magnetic poles are

more than one option is correct

located near the geographic poles

where the planet's magnetic field is the strongest

where the magnetic field lines cross each other

In a single and combined magnetic field, the field lines never

indicate the direction of the field

As you apply a force to separate two opposite poles, the potential energy of the system

none of the choices are correct

On magnets, like poles ________ each other and opposite poles __________,

interact with; do not interact with

What types of materials attract a magnet?

materials containing any type of metal

materials that contain another magnet

In a battery, the electric energy that becomes the potential energy of the charges comes from

the energy from chemical substances.

the gravitational potential energy

the difference in potential energy

the resistance to electron flow

In a circuit, current flows

from a point of higher potential energy to lower potential energy.

from a point of lower potential energy to higher potential energy

in the direction in which positive currents would flow

from the energy source to the electric device only

The strength of electric force depends on

the distance between the charges and the amount of charge present

the number of electrons present and the type of conductor

the direction of the current and amount of voltage

the amount of potential energy and charge present

In a solenoid, the magnetic field is strengthened in the center of the coil

when a current runs through a coil.

when the ends of the solenoid acts like the poles of a magnet.

when there is no current running through the coil.

when the direction of the electric current is reversed.

A solenoid with a ferromagnetic core

has a weaker magnetic field than one without.

is unable to produce a magnetic field.

does not have any practical uses.

What is the main difference when a current flows through a loop of wire compared to a straight wire?

Shaping a wire into a loop can increase the strength of the magnetic field .

You cannot use the right-hand rule to determine the direction the current flows.

The magnetic field cannot be turned off by turning the current off.

The strength of the magnetic field does not depend on the strength of the current.

How do electric currents relate to magnetic fields?

An electric current produces a magnetic field that runs around the wire.

A magnetic field produces an electric current that runs around the wire.

A magnetic field can stop an electric current from flowing.

How can you change the strength of a magnetic field around a current carrying wire?

Change the amount of current running through the wire.

Change the direction of the current running through the wire.

In a straight wire with a current flowing, the direction of the magnetic field depends on

the strength of the magnetic field.

the distance between the current and wire.

Electricity and Magnetic Force Review

Authored by Nicole Buck

Science

6th - 8th Grade

NGSS covered

Used 6+ times

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35 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An example of the result of static discharge is

all of the choices are correct

lightning

feeling a shock when you touch a doorknob

seeing a spark when you pet your cat

Tags

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The attraction or repulsion between magnets is

magnetism

magnetic force

magnetic poles

magnetic field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A paper clip is made into a temporary magnet using a bar magnet. The paper clip will be a magnet

as long as contact exists

as long as current is flowing

permanently over time

only in the presence of another paper clip

Tags

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A magnet always exerts a(n) ________ on an object that is not itself a magnet.

pull

push

gravitational field

electric field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The location on a magnet where the magnetic force is the strongest is known as

magnetic pole

magnetic field

magnetism

compass

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a single magnetic field, when the field lines are closer together, the field is _______________ when they are far apart.

stronger than

weaker than

the same as

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth's magnetic field changes the ______________ of the charged particles from the sun.

motion

composition

charge

direction

Tags

NGSS.HS-PS3-5

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Electricity and Magnetic Force Review

An example of the result of static discharge is

The attraction or repulsion between magnets is

A paper clip is made into a temporary magnet using a bar magnet. The paper clip will be a magnet

A magnet always exerts a(n) ________ on an object that is not itself a magnet.

The location on a magnet where the magnetic force is the strongest is known as

In a single magnetic field, when the field lines are closer together, the field is _______________ when they are far apart.

Earth's magnetic field changes the ______________ of the charged particles from the sun.

The constant stream of particles from the sun is known as the

Earth's magnetic poles are

Materials in the __________ of the Earth generate a magnetic field that surrounds the planet.

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