What characteristics do magnetic substances have?

They can push or pull objects without touching them.

They can give you a "shock" when you touch them.

They are always black and cold to touch.

They fall faster than other objects when you drop them.

The magnetic field is...

The invisible space around a magnet that pushes or pulls

The invisible space around a magnet that does nothing

The visible space around a magnet that does nothing

The visible space around a magnet that pushes or pulls

If you want to increase the strength of magnetic forces, which could you do? (Check off all that apply)

Decrease the distance between the magnet and the object

Click on all that apply. How can you make an electromagnet stronger?

Use an iron core like an iron nail

Which one is the strongest eletromagnet?

100 turns on the coil, high current, iron core

50 turns on the coil, low current, copper core

50 turns on the coil, low current, iron core

100 turns on the coil, low current, iron core

What question might have led the student to develop the investigation shown in Table 2?

How does the number of coils of wire affect the magnetic strength of an electromagnet?

Is an iron ring the best material to use as the core of an electromagnet?

What change in the system would reverse the poles of an electromagnet?

How does the magnetic strength of an electromagnet compare to that of a permanent magnet?

What conclusion can be made based on the data in Table 3?

The strength of the magnetic field increases as the number of turns of wire wrapped around the nail increases.

The electromagnet will drop all of the paperclips if the wire is disconnected from the battery.

The number of paperclips that the electromagnet can pick up depends on the size of the nail.

The number of turns of wire affects how far away from the electromagnet the magnetic field reaches.

Which question could lead to the investigation in Table 1?

How does distance from a magnet affect the force exerted by the magnet?

What kind of materials does a magnet attract?

What conditions cause magnetic attraction and repulsion?

How does the magnetic field of different size magnets compare?

Forces At A Distance

Authored by Christina Tuozzolo

Science

8th Grade

NGSS covered

Used 88+ times

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28 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which material is attracted to a magnet?

Silver

Iron

Water

Aluminum

Tags

NGSS.3-PS2-3

NGSS.5-PS1-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What happens when two north poles of a magnet are placed together?

They will repel.

They will attract.

Nothing will happen.

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A north pole on a magnet and a south pole on a magnet will attract.

True

False

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Magnetism is a type of ____________.

Contact Force

Friction

Light

Force At A Distance

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A student conducts an experiment on how distance affects magnetic force. What result will the student get?

The greater the distance, the more magnetic force

The less distance there is, the less magnetic force there is

The greater the distance, the less magnetic force

Nothing will happen

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Magnets can pull on things without touching them.

True

False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How is a permanent magnet different from a temporary magnet?

A permanent magnet attracts materials made of iron.

A permanent magnet has poles.

A permanent magnet has a magnetic field.

A permanent magnet keeps its magnetism for a long time.

Tags

NGSS.MS-PS2-3

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Forces At A Distance

Which material is attracted to a magnet?

What happens when two north poles of a magnet are placed together?

A north pole on a magnet and a south pole on a magnet will attract.

Magnetism is a type of ____________.

A student conducts an experiment on how distance affects magnetic force. What result will the student get?

Magnets can pull on things without touching them.

How is a permanent magnet different from a temporary magnet?

This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?

What characteristics do magnetic substances have?

A type of magnet that has temporary magnetic effect when electric current flows through it.

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