7.4 CW 1

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Across
  1. 1. energy cannot be created or destroyed, it can only be transformed from one form to another
  2. 4. sum of kinetic and potential energy of the particles in matter due to their random motion
  3. 5. Matter in which atoms are closely spaced and vibrate in a fixed position.
  4. 7. nonrenewable energy resources made of the remains of ancient organisms and is burned as an energy source
  5. 8. Matter in which atoms are constantly moving around and bumping into each other.
  6. 9. energy that is carried by electromagnetic waves
  7. 10. a measure of how hot or cold something is compared to a reference point.
  8. 11. transfer of thermal energy by the movement of particles from one part of a material to another
  9. 13. energy carried by sound
  10. 15. a push or pull exerted on an object
  11. 17. force that resists the motion of two surfaces that are touching
  12. 20. the amount of kinetic energy an object has depends on the object’s _________ _______ _________
  13. 23. the ability to cause change
  14. 24. a device that regulates the temperature of a system
  15. 25. transfer of thermal energy between materials because of collisions between particles
  16. 26. energy that is stored in the nucleus of an atom
  17. 28. the scale many scientists use to measure temperature
  18. 29. total energy of an object or group of objects due to large-scale motions and interactions
Down
  1. 2. the expanding of matter due to the thermal energy increasing, causing its particles to spread out
  2. 3. transfer of thermal energy from one material to another by electromagnetic waves
  3. 6. Matter in which atoms vibrate so much that they are far apart.
  4. 12. force of attraction between any two masses
  5. 14. energy carried by an electric current
  6. 16. type of energy resource that is used faster than it is replaced
  7. 18. the scale that most other countries use to measure temperature
  8. 19. energy an object has because of its motion
  9. 21. energy that is stored in an object because of the object’s position
  10. 22. transfer of thermal energy from a warmer object to a cooler object
  11. 25. the potential energy stored within atoms and molecules and is observed when a chemical reaction occurs
  12. 27. type of energy resource that is replaced as fast as, or faster than, it is used