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Magnetism Review Chapters 1 and 3

Magnetism Review Chapters 1 and 3. 2007 - 2008. 1. A naturally magnetic rock found at or near Earth's surface is called a. A. compass B. lodestone C. maglev D. needle. 2. Which of the following comparisons can you use to best explain voltage?. Fire in a fireplace

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Magnetism Review Chapters 1 and 3

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  1. Magnetism Review Chapters 1 and 3 2007 - 2008

  2. 1. A naturally magnetic rock found at or near Earth's surface is called a • A. compass • B. lodestone • C. maglev • D. needle

  3. 2. Which of the following comparisons can you use to best explain voltage? • Fire in a fireplace • Lemon juice in a can • A compass needle • Water in a garden hose

  4. 3. What produces most of the electricity you use in your home and school? • A. generators • B. electromagnets • C. solar cells • D. electric cells

  5. 4. What would you use if you had to separate steel cans from aluminum cans? • transformer • B. generator • electromagnet • current detector

  6. 5. What is the pattern formed by iron filings sprinkled around a bar magnet called? • A. lodestone • B. lines of force • C. magnetic poles • D. magnetic field

  7. 6. Which of the following would best meet the clean- air standards set by the Air Quality Act ? A. power plants burning fossil fuels B. maglev trains C. railroad trains D. gasoline-powered cars

  8. How is an electric current produced in a battery? • Chemical energy changes to electrical energy • Energy of motion changes into electrical energy • Electrical energy changes into chemical energy • Chemical energy changes into energy of motion.

  9. 8. Electricity sets up a magnetic field around ________________ • Electromagnets • Generators • Solar cells • Voltage

  10. 9. A compass needle points to Earth's magnetic south pole. A. True B. False

  11. 10. The north-seeking pole of a magnet is attracted to Earth's magnetic north pole. A. True B. False

  12. 11. A magnet's property of attracting materials such as iron and steel is called • A .gravity • B .electricity • C .magnetism • D .levitation

  13. 12. When you stroke a nail with a permanent magnet, you magnetize the nail. A. True B. False

  14. 13. When you move the north pole of one magnet close to the north pole of another magnet, the two poles move closer together. A. True B. False

  15. 14. A maglev train never touches the A. Poles B. Wires C. Rails D. Loadstone

  16. 15. Earth's magnetic north pole is at the same spot as Earth's geographic north pole. A. True B. False

  17. 16. The space in which the force of a magnet can act is called • A. compass • B. line of force • C. bar magnet • D. magnetic field

  18. 17. Like poles of two magnets attract each other. A. True B. False

  19. The force that pushes electricity along wires is ___________________ A. Solar cells B. Voltage C. Electric cells D. Generators

  20. 19. Unlike poles of two magnets attract each other. A. True B. False

  21. 20. An object that attracts or pulls on certain materials- mainly iron and steel, is • A. compass • B. lodestone • C. magnet • D. pole

  22. 21. A battery is made up of two or more ________________ • Solar cells • Voltage • Generators • Electric cells

  23. 22. What is a magnetized needle that is allowed to swing freely? • A .a lodestone • B. a magnetic field • C .a temporary magnet • D .a compass

  24. 23. _______________ change the Sun’s energy into electrical energy. • Voltage • Electromagnets • Solar cells • generators

  25. 24. Earth is a giant magnet A. True B. False

  26. B • D • A • C • B • B • A • A • B • A • C • A • B • C • B • D • B • B • A • C • D • D • C • A Answer Key

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