Across
- 3. a complete, unbroken path through which electric charges can flow
- 6. force that resists the motion of two surfaces that are touching
- 9. type of overall charge when an object loses an electron and is left with more protons
- 13. a material that does not easily allow electric charges to flow
- 14. sum of kinetic and potential energy of the particles in matter due to their random motion
- 17. a method of charging an object by allowing electrons to flow by direct contact from one object to another object (*this word is used twice)
- 21. force of attraction between any two masses
- 22. a reusable safety switch that breaks the circuit when the current becomes too high
- 23. energy that is stored in the nucleus of an atom
- 24. the ability to cause change
- 25. the potential energy stored within atoms and molecules and is observed when a chemical reaction occurs
- 29. an electric circuit in which different parts of the circuit are on separate branches
- 30. the region around a charged object where the object’s electric force is exerted on other charged objects
- 36. a device that regulates the temperature of a system
- 37. an electric circuit in which all parts are connected one after another along one path
- 39. energy an object has because of its motion
- 40. charges that are opposite _________ each other
- 42. transfer of thermal energy from a warmer object to a cooler object
- 43. type of overall charge when an object gains an electron
- 44. a buildup of charges on an object
- 45. energy carried by sound
- 46. Matter in which atoms are closely spaced and vibrate in a fixed position.
- 48. the force between charged objects
- 49. charges that are the same ________ each other
Down
- 1. the transfer of electrons from one uncharged object to another uncharged object by rubbing
- 2. the rate at which one form of energy is transformed into another
- 4. a measure of how hot or cold something is compared to a reference point.
- 5. a safety device with a thin metal strip that will melt if too much current passes through a circuit
- 7. transfer of thermal energy between materials because of collisions between particles (*word is used twice)
- 8. the loss of static electricity as electric charges transfer from object to another
- 10. transfer of thermal energy from one material to another by electromagnetic waves
- 11. a material that allows electric charges to flow
- 12. energy that is stored in an object because of the object’s position
- 15. the difference in electrical potential energy per charge between two places in a circuit
- 16. type of energy resource that is used faster than it is replaced
- 18. the law that states that resistance in a circuit is equal to voltage divided by current
- 19. the measurement of how difficult it is for charges to flow through an object
- 20. total energy of an object or group of objects due to large-scale motions and interactions
- 26. energy carried by an electric current
- 27. energy cannot be created or destroyed, it can only be transformed from one form to another
- 28. the continuous flow of electric charges through a material
- 31. Matter in which atoms are constantly moving around and bumping into each other.
- 32. a push or pull exerted on an object
- 33. nonrenewable energy resources made of the remains of ancient organisms and is burned as an energy source
- 34. energy that is carried by electromagnetic waves
- 35. a method of redistributing the charge on an object by means of the electric field of another object; the objects have no direct contact
- 38. Matter in which atoms vibrate so much that they are far apart.
- 41. transfer of thermal energy by the movement of particles from one part of a material to another
- 45. a connection that allows current to take the path of least resistance
- 47. type of energy resource that is replaced as fast as, or faster than, it is used