September 2012 Crossword

Theme: Measurement – Units and Quantities

by Ken Greatorex

CLUES ACROSS:

1. Fundamental SI unit of length [5]

5. Seventeenth letter of the Greek alphabet; in Physics, may represent Mass Density, Charge Density or Resistivity [3]

9. Legume [3]

10. The charge transported by a current of one ampere in one second [7]

12. Help [6]

14. Fundamental SI unit of temperature [6]

15. Narrative poem [4]

17. SI derived unit of capacitance [5]

20. SI unit of Conductance, aka the Mho [7]

22. The ability to hold a fluid, very similar to volume [8]

23. In Science and Mathematics, an established principle thought to be universal and invariable [3]

24. Event marker or action trigger [3]

26. SI derived unit of power defined as one joule per second [4]

27. Establish by authority (e.g. set of civil laws) [6]

29. Viscous liquid which is immiscible with water [3]

31. Unit of Work / Energy in the CGS System equivalent to 10-7  joule [3]

33. Spanish for “Good” [5]

34. Non SI unit defined as the volume of a cube of 10 cm side [5]

35. Toy which relies on the gyroscopic effect [3]

37. SI derived unit of work /energy [5]

38. SI derived unit of angular measure [6]

40. Historical period of time [3]

42. Psychic ability (abb) [3]

44. Fundamental SI unit of time [6]

48. Liquid consisting mainly of acetic acid and water [7]

49. Fundamental SI unit of mass [8]

50.  Unit of area equal to 10,000 square metres [7]

51. One of the Fundamental Quantities [6]

52. Non SI unit of dry volume; equal to 4 pecks [6]

CLUES DOWN:

2. Greek prefix meaning “upon,” “on,” “over” or “near”[3]

3. SI derived unit of magnetic flux density [5]

4. Rodent [3]

6. Crop yield [7]

8. What this is [4]

10. Fundamental SI unit of luminous intensity [7]

11. SI unit of radioactivity defined as one decay per second [9]

13. SI derived unit of electrical inductance [5]

16. SI derived unit of pressure equal to one newton per square meter [6]

18. Fundamental SI unit of electric current [6]

19. SI derived unit of force [6]

21. Protective floor covering [3]

22. Non SI unit defined as the energy needed to increase the  temperature of 1 gram of water by 1°C [7]

25. SI derived unit for electric potential [4]

26. SI unit of magnetic flux [5]

28. Fundamental SI unit of amount of a chemical substance [4]

30. Tiny quantity ALSO Ninth letter of the Greek alphabet [4]

32. Non SI unit of magnetic flux intensity equal to 10-4 tesla [5]

36. Unity [3]

37. Hand-thrown spear [7]

39. Logarithmic unit indicating the ratio of a physical quantity (usually power or intensity) relative to a reference level [7]

41. Adjust, accommodate, suit, reconcile, conform, modify [5]

43. Distance from the Sun to an astronomical object which has a parallax angle of one arc-second; approx 3.3 light-years [6]

45. Planet third closest to Sol [5]

46. SI derived unit of electrical resistance [3]

47. SI unit of frequency [5]

50. Chemical symbol for Helium [2]

SOLUTION