Across
- 2. A positively charged atom.
- 8. The central, positively charged, dense portion of an atom.
- 9. What you multiply mass by to get weight
- 11. When the magnification is positive the image is _______.
- 16. The energy possessed by a body due to its motion
- 18. The temperature of - 273.16 or 0 K.
- 19. 700nm is what color in the wavelength spectrum?
- 22. The distance between the two nearest points on a wave, which are in the same phase or the distance between two adjacent crests or two adjacent troughs.
- 23. An object at rest stays at rest is which Newton’s Law?
- 24. Distance traveled by a body in a particular direction per unit time or the displacement of the body per unit time. It is a vector quantity.
- 29. SI unit for time
- 30. The force per unit area.
- 35. The number of oscillations completed in 1 second by an oscillating body.
- 38. A unit of pressure.
- 41. The radial force required to keep an object moving in a circular path; it is equal to mv2/r.
- 42. The speedometer in your car tells you the _____ speed of your car.
- 43. The amount of heat energy required to increase the temperature.
- 45. The rate of change of velocity with respect to time.
- 52. 400nm is what color in the wavelength spectrum?
- 53. 6.626x10-34 J*s is what?
- 56. The S.I.unit of capacitance.
- 60. Upward force on an object immersed in fluid.
- 61. ________ is the product of mass and velocity.
- 63. Distance divided by time known as _____ speed.
- 64. S.I. unit for power; equivalent to joule/sec.
- 65. The property to block the flow of current.
- 66. The energy possessed by a body by virtue of its position or configuration.
- 67. The study of matter and its motion through space and time.
- 68. Newton’s first law of motion is also called law of _______
- 71. Electrical device used to store charge and energy in the electrical field.
- 73. 6.674x10--11 Nm2/kg2 is what constant?
- 76. Force times distance is known as_____.
- 79. When the focal point is positive then it’s a _______ mirror.
- 80. The product of force and time for which force acts, also equal to the change in momentum.
- 81. The number of molecules in a gram molecular weight of a substance, it is equal to 6.022 x 1023.
- 83. Which Newton’s law of motion sates F=ma
- 84. SI unit for length
- 85. Current multiplied by resistance.
- 87. principle A body immersed in a fluid experiences an apparent loss in weight which is equal to the weight of the fluid displaced by the body.
- 89. The product of lever arm and force is___________?
- 90. For a given mass of a gas at constant temperature, the volume of the gas is inversely proportional to the pressure.
- 94. The bouncing back of a wave from a boundary.
- 95. if S’ is negative then it is __________ image
- 96. The process in which heat is lost.
- 97. if S’ is positive then it is _________ image
- 98. Potential energy is the energy possessed by an object due to it’s __________.
- 100. A negatively charged atom.
Down
- 1. Any push or pull.
- 3. Unit of resistance.
- 4. Unit of measurement for force
- 5. The vector sum of all of the forces acting on an object
- 6. The region around a magnet where its magnetic force is experienced by other magnetic objects.
- 7. The description of motion.
- 10. When the magnification is negative the image is ______.
- 11. Sound waves of frequencies above 20,000Hz
- 12. The highness or lowness of musical town is referred to as_____
- 13. S.I. Unit of electric current.
- 14. An atom with no charge.
- 15. Unit of potential difference, equivalent to joule/coulomb.
- 17. image An image which can be projected on a screen.
- 18. The rate of change of angular displacement with time.
- 20. The sum of all the currents entering and leaving any point in a circuit is equal to zero.
- 21. SI unit of charge
- 25. A device that measures voltage.
- 26. The materials which do not allow current to flow through them.
- 27. When the focal point is negative then it’s a _______ mirror.
- 28. The shortest distance between the initial and final position of a moving body. It is a vector quantity.
- 31. An electrical current which always flows in one direction.
- 32. A mechanical device used to measure electric current and usually has no units.
- 33. A device which behave like conductors at higher temperature is known as _____.
- 34. A constant specific to each spring, which describes its “springiness”, or how much work is needed to compress the spring.
- 36. The process in which heat is absorbed.
- 37. The sum of the number of protons and neutrons in a nucleus.
- 38. The time for one complete cycle of a process that repeats known at (T).
- 39. The number of protons in an atomic nucleus.
- 40. The energy due to the position of a charge near other charges.
- 44. An image formed when the reflected or refracted light rays appear to meet; this image cannot be projected on a screen.
- 46. The transfer of heat from a region of higher temperature to a region of lower temperature by increased kinetic energy moving from molecule to molecule.
- 47. The ratio of charge stored per increase in potential difference.
- 48. 9.8 m/s2 is what?
- 49. Velocity and acceleration are examples of what quantities?
- 50. The bending of light from its straight line path when it travels from one medium to another.
- 51. The materials that have free electrons and allow current to flow through them.
- 54. SI unit for mass
- 55. The mass and _______ of an object on Earth’s surface are directly proportional to each other.
- 57. The mass of a substance per unit volume.
- 58. ray A high energy photon.
- 59. Power is _______ over time
- 62. The idealized motion where air resistance is ignored and acceleration is nearly constant.
- 69. What Newton’s Law states that for every action there is an equal and opposite reaction.
- 70. The unit of work and energy
- 72. SI unit of temperature
- 74. The maximum absolute value attained by the disturbance of a wave.
- 75. What law states that the force needed to extend or compress a spring by some distance is proportional to that distance, known as F=-kX
- 77. The force on an object perpendicular to the surface it rests on utilized in order to account for the body's lack of movement.
- 78. The force between any two charges is directly proportional to the product of charges and inversely proportional to the square of the distance between the charges.
- 82. A back and forth motion that repeats itself.
- 86. A force resistance to relative motion between two bodies or substances in physical contact.
- 88. The unit of frequency, also known as cycles per second.
- 91. Displacement divided by change in time.
- 92. when the frequency of the impressed periodic force is equal to the natural frequency of the body
- 93. state The lowest energy state of an atom.
- 98. The rate of doing work.
- 99. If an object is moving then the magnitude of its velocity and ________ can’t be zero.