CK-12 Physical Science - For Middle School

24.2. Earth as a Magnet http://www.ck12.org Magnetic Field Reversals Do you like to read science fiction? Science fiction writer ...

http://www.ck12.org Chapter 24. Magnetism FIGURE 24.14 The alignment of magnetic domains in rocks on the ocean floor provide evi ...

24.2. Earth as a Magnet http://www.ck12.org Benefits of Earth’s Magnetic Field Earth’s magnetic field helps protect Earth and it ...

http://www.ck12.org Chapter 24. Magnetism Lesson Summary Earth is a giant magnet with north and south magnetic poles and a magn ...

24.3. References http://www.ck12.org 24.3 References Max Talbot-Minkin. http://www.flickr.com/photos/maxtm/6823667554/. CC-BY 2 ...

http://www.ck12.org Chapter 25. Electromagnetism CHAPTER 25 Electromagnetism Chapter Outline 25.1 Electricity and Magnetism 25.2 ...

25.1. Electricity and Magnetism http://www.ck12.org 25.1 Electricity and Magnetism Lesson Objectives Outline how electromagneti ...

http://www.ck12.org Chapter 25. Electromagnetism FIGURE 25.1 Hans Christian Oersted was the scientist who discovered electromag- ...

25.1. Electricity and Magnetism http://www.ck12.org FIGURE 25.3 The right hand rule shows the direction of the magnetic field ar ...

http://www.ck12.org Chapter 25. Electromagnetism What might make an electromagnetic field stronger? How might the wire that car ...

25.2. Using Electromagnetism http://www.ck12.org 25.2 Using Electromagnetism Lesson Objectives State how a solenoid increases e ...

http://www.ck12.org Chapter 25. Electromagnetism Solenoids Asolenoidis a coil of wire with electric current flowing through it, ...

25.2. Using Electromagnetism http://www.ck12.org FIGURE 25.6 An electromagnet uses a solenoid and an iron bar to create a very s ...

http://www.ck12.org Chapter 25. Electromagnetism electromagnet again attracts the clapper, which hits the bell once more. This s ...

25.2. Using Electromagnetism http://www.ck12.org FIGURE 25.8 In this simple diagram of an electric motor, the electromagnet is r ...

http://www.ck12.org Chapter 25. Electromagnetism Can you predict how this might be done? A device that uses a magnetic field to ...

25.3. Generating and Using Electricity http://www.ck12.org 25.3 Generating and Using Electricity Lesson Objectives Describe ele ...

http://www.ck12.org Chapter 25. Electromagnetism FIGURE 25.9 This simple setup shows how electromagnetic induction occurs. The C ...

25.3. Generating and Using Electricity http://www.ck12.org FIGURE 25.11 This diagram shows the basic parts of an electric genera ...

http://www.ck12.org Chapter 25. Electromagnetism components of an electric transformer inFigure25.13. FIGURE 25.13 An electric t ...