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Monday, May 18 th Entry Task Clear your table except for the Introduction to Chapter 21. Schedule: 21.1 Magnetism is a force that acts at a distance.21.1.

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Presentation on theme: "Monday, May 18 th Entry Task Clear your table except for the Introduction to Chapter 21. Schedule: 21.1 Magnetism is a force that acts at a distance.21.1."— Presentation transcript:

1 Monday, May 18 th Entry Task Clear your table except for the Introduction to Chapter 21. Schedule: 21.1 Magnetism is a force that acts at a distance.21.1 Magnetism is a force that acts at a distance. Homework Re-read pages 703-710Re-read pages 703-710 Finish handout if not completed in classFinish handout if not completed in class Objective: I will discover what makes some materials magnetic. Please Have on Desk: Textbook, pencil, Chapter 21 IntroductionTextbook, pencil, Chapter 21 Introduction

2 Tuesday, May 19 th Entry Task Clear off your table except for the things listed to the right and start working quietly on your RSG Schedule: 21.2 RSG21.2 RSG 21.2 Notes21.2 Notes Source of MagnetismSource of Magnetism Homework Read pgs 712-718Read pgs 712-718 Activity, if not completedActivity, if not completed Objective: I will observe how current can produce Magnetism Please Have on Desk: Pencil, textbook, yesterday’s handoutPencil, textbook, yesterday’s handout

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4 21.2 Notes CURRENT can produce MAGNETISMCURRENT can produce MAGNETISM

5 21.2 Notes Electromagnetism is magnetism that results from electric current.Electromagnetism is magnetism that results from electric current. When charged particles, like electrons move, they produce a magnetic fieldWhen charged particles, like electrons move, they produce a magnetic field

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7 21.2 Notes If a wire is shaped into a loop, the magnetism becomes concentrated inside the loop. The magnetic field is much stronger in the center of the loop than around a straight piece of wire. The more loops of wire, the stronger the magnetic field.

8 21.2 Notes A coil of wire with a current (electrons) flowing through has a magnetic field that is similar to a magnet.A coil of wire with a current (electrons) flowing through has a magnetic field that is similar to a magnet. The field flows in one direction and returns to the other end of the coil, which forms a north and south pole, just like a magnet.The field flows in one direction and returns to the other end of the coil, which forms a north and south pole, just like a magnet.

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10 Electricity Produce Magnetism A compass needle is a _______, which means that in order for it to move, it has to react to a _____ _______ When _______ flows through the wire a ______ _____ is created and makes the compass needle move. MAGNET MAGNETIC FIELD CURRENT

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12 Wednesday, January 8 th Entry Task Please have on desk: Textbook, pencil, journalTextbook, pencil, journal Homework: Read section 21.3Read section 21.3 Objective: I will describe how an electric current can produce a magnetic field. Schedule: 21.2 Current can produce magnetism21.2 Current can produce magnetism


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