Magnetization and Magnetic Fields

Magnetization and Magnetic Fields

Assessment

Interactive Video

Physics, Science, Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial demonstrates how to magnetize a piece of metal, specifically an Allen wrench, using a strong neodymium magnet. It explains the difference between temporary and permanent magnetization, detailing how atomic orbitals need to be aligned to create a permanent magnet. The video also covers the materials suitable for magnetization, such as nickel, cobalt, iron, and gadolinium, and shows how to demagnetize the metal by disrupting the magnetic field. The tutorial concludes with a call to action for viewers to subscribe.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tool is used in the video to demonstrate magnetization?

Screwdriver

Neodymium magnet

Allen wrench

Hammer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a piece of metal when a strong magnet is brought near it?

It loses its magnetism

It becomes a weak magnet

It changes color

It becomes a permanent magnet

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is necessary to create a magnetic field?

A strong magnet

A moving charge

A piece of metal

A high temperature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are the atomic orbitals aligned in a permanent magnet?

In a circular pattern

In the same direction

In opposite directions

In random directions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the magnetic fields in the Allen wrench before magnetization?

They are aligned

They are strengthened

They are doubled

They are canceled out

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of hitting the Allen wrench with a hammer?

To make it heavier

To change its color

To align the atomic orbitals

To break it

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of a strong magnetic field in the magnetization process?

To heat the metal

To align the atomic orbitals

To change the metal's color

To make the metal heavier

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