Across
- 1. the measurement of matter contained in an object
- 4. a substance that cannot be chemically broken down and contains atoms of only one variety
- 9. matter that has neither definite volume nor definite shape
- 11. electrons in the outermost shell of an atom
- 14. the negatively charged particle of an atom
- 15. the ability to do work and is measured in the same units as work
- 17. matter that has a definite volume but not a definite shape
- 18. the amount of electrons flowing through an electrical circuit
- 21. a material that exhibits electrical conductivity between that of a conductor (high conductivity) and that of an insulator (low conductivity)
- 22. electricity produced either by pressure, light, heat, chemical action, or magnetism
- 24. any cause that changes the position, motion, direction, or shape of an object
- 27. a standard on practices for the design and installation of electrical products
- 30. any force that tends to hinder the movement of an object
- 33. the process of charging an object
- 35. is current that reverses its direction of flow at regular intervals
- 38. a material that has a very high resistance to the flow of electrons
- 40. the application of a force over a distance
- 44. current that flows in only one direction
- 46. current flow from negative to positive
- 47. the state in which voltage and current in an AC circuit reach their maximum amplitudes and zero levels at different times
- 48. a material that has low electrical resistance and permits electrons to move through it easily
- 49. a measure of gravity or the force of the Earth's attraction to a body
- 50. 1 coulomb of electrons passing a given point in one second
- 51. the measurement of linear units
Down
- 2. matter that has a definite volume and shape
- 3. the positively charged particle in the nucleus of an atom
- 5. anything that has mass and occupies space
- 6. the measurement of the intensity of heat
- 7. the difference between the power input and power output
- 8. an electrical charge at rest
- 10. the product of the voltage and current in a circuit calculated without considering the phase shift that may be present between the voltage and current in the circuit
- 12. the higher the amount of heat produced, the faster the temperature increases in the body being heated
- 13. the smallest particle that a compound can be reduced to and still possesses the chemical properties of the original compound
- 16. the actual power used in an electrical circuit
- 19. the rate of doing work through mechanical means
- 20. the opposition to the flow of electrons
- 23. current flow from positive to negative
- 25. the positive (+) or negative (-) state of an object
- 26. a law that states that opposite charges attract, and like charges repel
- 28. a combination of the atoms of two or more elements
- 29. equal to one joule per second in the metric system
- 31. 6.241 x 10^18
- 32. a measured duration of time based on cycles of radiation measured with a spectrometer
- 34. the neutral particle with a mass approximately the same as a proton and exists in the nucleus of an atom
- 36. the ratio of the power output to the power input
- 37. the rate of doing work or using energy
- 39. the formation of film on the contact surface
- 41. the movement of electrons from atom to atom
- 42. stored energy a body has due to its position, chemical state, or condition
- 43. the energy of motion
- 45. equal to 746 W or 550 lb-ft per second (33,000 lb-ft per minute)
- 50. the smallest particle that an element can be reduced to and still maintain the properties of that element