How is a permanent (reg.) magnet different from an electromagnet?? Describe how an electromagnet shows how magnetism & electricity relate to each other.

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Presentation transcript:

How is a permanent (reg.) magnet different from an electromagnet?? Describe how an electromagnet shows how magnetism & electricity relate to each other. (How does it work?) Identify common devices that use an electromagnet

Click on the link below and complete the 5 charts on your worksheet and answer the questions a – f. 6/MagnetismandElectricity/activities/ele ctromagnet.htmlhttp:// 6/MagnetismandElectricity/activities/ele ctromagnet.html

Click on the link below and complete the charts on Exploration Activity #3 and answer the questions on your worksheet. ectromagnets/ ectromagnets/

Finished Early? Click Arrow button to continue. ippex online Click “Run Now”. View both tabs at top: Magnet & Electromagnet Magnets and Electromagnets - Magnetism, Magnetic Field, Electromagnets – PhET

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Main Idea Detail Identifying Main Ideas As you read the section “Solenoids,” write three supporting details that further explain the main idea. (pg. 82) A solenoid is useful because its magnetic field can be changed. Its magnetic field can be turned on and off. Its magnetic field can have its direction changed. Its magnetic field can have its strength changed.

- What Is Electromagnetism? Solenoids The magnetic field produced by a current has three distinct characteristics. The field can be turned on or off, have its direction reversed, or have its strength changed.

11 Describe at least 3 ways to increase the strength of an electromagnetic field. 1.Larger iron core. 2.More coils 3.More batteries 4.Thick copper wire 5.Tight coils

Which electromagnet would be stronger? Draw 2 electromagnets that only have 1 variable changed.