Irish Physical Science C. 14 Thermodynamics

Edit Answers
12345678910111213141516171819202122232425262728293031323334353637383940414243444546
Across
  1. 4. ratio of mass to volume difference causes hot fluids to rise
  2. 6. 4th stroke of an engine where waste from the burned fuel is swept out
  3. 10. zero Kelvin means particles have no_________
  4. 11. device on an engine that increases air intake so fuel burns faster and makes more power
  5. 13. process of burning that releases chemical energy from a material
  6. 15. temperature scale based on absolute zero
  7. 17. transfer of heat by waves
  8. 18. change directly from solid to gas
  9. 24. human _____ temperature is 98.6oF
  10. 25. disorder
  11. 27. change from liquid to gas at the surface
  12. 28. 2nd stroke of an engine where fuel and air are squeezed together
  13. 30. type of observation described with words
  14. 31. change from gas to liquid
  15. 33. point where a liquid becomes a gas throughout
  16. 34. temperature scale used mostly in the U.S.
  17. 37. 3rd stroke of an engine where the fuel/air mixture are ignited and drive the piston down
  18. 38. what happens to the liquid in a thermometer when it loses heat
  19. 39. radiation travels at the speed of ______
  20. 42. point where a solid becomes a liquid
  21. 43. ______ zero means particles quit moving entirely
  22. 44. change from liquid to solid
  23. 46. type of engine that makes chemical energy into mechanical energy
Down
  1. 1. type of state including solid, liquid, gas
  2. 2. pure form of matter
  3. 3. type of combustion engine where fuel is burned on the inside
  4. 5. device to measure temperature
  5. 6. what happens to the liquid in a thermometer when it heats up
  6. 7. type of measurement using numbers
  7. 8. change directly from gas to solid
  8. 9. something that can flow including liquids and gases
  9. 12. object or material that lets heat pass through easily
  10. 14. measure of the average kinetic energy of particles in a substance
  11. 16. 1st stroke of an engine where fuel and air come in
  12. 19. device for regulating temperature that uses a long coil of metal that expands and contracts
  13. 20. common substance used for cooling because of its high specific heat
  14. 21. type of turbine that is used in coal fired power plants
  15. 22. transfer of heat through direct contact
  16. 23. _________ heat is the energy necessary to change the temperature of a particular substance
  17. 26. movement of heat in a fluid
  18. 29. energy that moves from high temperature to low temperature
  19. 32. internal energy of a substance causing the particles to move
  20. 35. liquid in most modern thermometers
  21. 36. type of combustion engine where fuel is burned on the outside
  22. 40. most commonly used temperature scale
  23. 41. type of radiation given off by hot objects
  24. 42. liquid metal traditionally used in thermometers
  25. 45. object or material that does not let heat pass through easily