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ELECTROMAGNET

An iron bar with a coil wrapped around it that becomes a magnet when electric current flows through it is an ______. ELECTROMAGNET. _____ is the ability to cause change in matter. Energy. The result of a gain or loss of electrons is an ______ _______. Electric Charge.

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ELECTROMAGNET

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  1. An iron bar with a coil wrapped around it that becomes a magnet when electric current flows through it is an ______.

  2. ELECTROMAGNET

  3. _____ is the ability to cause change in matter.

  4. Energy

  5. The result of a gain or loss of electrons is an ______ _______.

  6. Electric Charge

  7. A _____ is a material that slows the flow of electrons.

  8. Resistor

  9. ____ is the loudness of a sound.

  10. Volume

  11. The speed with which sound waves move is the _______.

  12. pitch

  13. An _____ ______ is the attraction or repulsion of electric charges.

  14. electric force

  15. A ______ is the result of light bouncing off of an object.

  16. reflection

  17. A _____ is a piece of clear material that bends, or refracts light rays.

  18. Lens

  19. ____ _____ is energy of motion.

  20. Kinetic energy

  21. An ___ ____ is the path along which electrons flow.

  22. Electric circuit

  23. ____ ____ is energy an object has because of its location or its condition.

  24. Potential energy

  25. _____ _____ is the flow of electrons.

  26. Electric current

  27. ___ is the bending of light rays.

  28. refraction

  29. A ____ is a material that allows electrons to travel easily.

  30. conductor

  31. A ___ is a material that does not carry electrons.

  32. insulator

  33. The direct transfer of heat between objects that touch is called _____.

  34. conduction

  35. The mixing of a gas or liquid causes heat transfer by ___.

  36. convection

  37. ___ occurs when electromagnetic waves transfer thermal energy.

  38. radiation

  39. ___ is the transfer of thermal energy.

  40. heat

  41. The average kinetic energy of the molecules in an object is called _____.

  42. temperature

  43. What happens when you unscrew a light bulb in a series circuit?

  44. All the lights go out

  45. What is the advantage of using an electromagnet?

  46. It can be turned on and off

  47. If you grab the hot handle of a pot on a stove, you will experience ______.

  48. conduction

  49. Farsighted people use _____ lenses to correct their vision.

  50. convex

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