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Magnetic poles

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Lesson details

Lesson outcome

Waxaan sharxi karaa sida magnet-yadu u soo jiitaan walxaha magnetic-ka ah, iyo sidoo kale sida ay u soo jiitaan ama u iska celiyaan magnet-yada kale.

Introduction

In this lesson: I can describe how magnets can attract magnetic materials, as well as attract and repel other magnets. All magnets have a north–seeking pole and a south–seeking pole. Unlike magnetic poles attract each other, and similar magnetic poles repel each other.

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All magnets have a north–seeking pole and a south–seeking pole. Unlike magnetic poles attract each other, and similar magnetic poles repel each other. Magnetic materials are attracted to both north–seeking and south–seeking magnetic poles. Just three metal elements (iron, cobalt and nickel) are magnetic; other metal and non–metal elements are not magnetic. A north–seeking pole will point towards the North Pole because Earth has a magnetic field.

Worksheet

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Quizzes

  1. 1. Which of the following is the name of a device with a part that points north?

    • a protractor
    • a set square
    • Correct answer:a compass
    • a sextant

  2. 2. Which of the following is the name of the ends of a bar magnet?

    • Correct answer:poles
    • nodes
    • contacts
    • axes

  3. 3. How many poles does a bar magnet have?

    • 1
    • Correct answer:2
    • 3
    • 4
    • It can vary.

  4. 4. Which of the following does a bar magnet have?

    • east–seeking pole
    • Correct answer:north–seeking pole
    • Correct answer:south–seeking pole
    • west–seeking pole

  5. 5. What causes Earth's magnetic field?

    • the water in the oceans
    • the water in the atmosphere
    • the air in the atmosphere
    • Correct answer:the core of Earth

  6. 6. What direction does a compass needle point?

    • Correct answer:north
    • south
    • east
    • west

  1. 1. Which of the following statements about a north–seeking pole are correct?

    • Correct answer:it will point north
    • it will point south
    • it will attract to the N–pole of a magnet
    • Correct answer:it will attract to the S–pole of a magnet

  2. 2. Which of the following statements about a magnet is correct?

    • it can have a single N–pole
    • it can have a single S–pole
    • Correct answer:it can have an N–pole and an S–pole
    • it can have an odd number of poles

  3. 3. Which of the following will happen if a bar magnet is broken in half?

    • there will be a piece with an N–pole and another piece with an S–pole
    • there will be one piece with an N–pole and S–pole and one piece with no poles
    • there will be two pieces with no poles
    • Correct answer:there will be two pieces each with an N–pole and an S–pole

  4. 4. What does the part of a bar magnet, shown in the image, do?

    • Correct answer:it seeks north
    • it seeks south
    • it does not seek north or south
    • it seeks both north and south

  5. 5. Which of the following materials will block a magnetic field?

    • plastic
    • air
    • Correct answer:iron
    • glass

  6. 6. Which of the following elements are magnetic?

    • Correct answer:iron
    • copper
    • Correct answer:nickel
    • calcium

What pupils see

The same lesson as a pupil sees it. You can set any section as work on its own.

  • IntroductionPrepare
  • Starter quizActivate · 6 questions
  • Lesson videoLearn
  • Exit quizCheck · 6 questions
This content is by Cashar and published under an open licence.