Across
- 2. the distance in the line of advance of a wave from any one point to the next point of corresponding phase.
- 4. the highest surface part of a wave.
- 10. negative charged particle
- 13. the resistance of any physical object to any change in its velocity.
- 14. any of the six chemical elements that make up Group 1
- 16. a push or pull
- 18. the rate at which velocity changes
- 21. the form of an energy associated with the position and motion of an object
- 22. is a simple rigid bar which is free to move around a point which is called fulcrum.
- 23. any atom or group of atoms that bears one or more positive or negative electrical charges
- 24. Waves Have the longest wavelength in the electromagnetic spectrum.
- 28. the temperature at which it changes state from solid to liquid
- 32. the change in direction of a wave passing from one medium to another
- 35. the time required for a quantity to reduce to half of its initial value.
- 36. Force upward force on a submerged object
- 38. the amount of matter in an object
- 40. The speed of sound is the distance travelled per unit of time
- 41. the maximum displacement or distance moved by a point on a vibrating body
- 43. stored energy
- 44. the energy contained within a system that is responsible for its temperature
- 46. driven between two objects or parts of an object to secure or separate them.
- 49. the radiation from the Sun capable of producing heat, causing chemical reactions
- 51. One of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table
- 53. region at each end of a magnet where the external magnetic field is strongest
- 54. Is the rate of flow of electric charge
- 55. A form of energy that is transferred from between objects due to a temperature difference
- 59. defined as an electrical resistance between two points of a conductor when a constant potential difference of one volt
- 60. The process or result of joining two or more things together to form a single entity.
- 61. A substance that makes possible the transfer of energy from one location to another, especially through waves
- 63. is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.
- 65. the force that pulls objects toward each other
- 67. the number of a chemical element in the periodic system
- 68. relating to a magnetic field produced by an electric current.
- 72. speed in a given direction
- 73. the distance an object travels per unit of time
- 74. the number of waves that pass a fixed place in a given amount of time.
- 75. a disturbance from one place to another
- 77. a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles
- 78. are a material or object that produces a magnetic field.
- 79. The apparent difference between the frequency at which sound or light waves leave a source
- 80. is energy that comes from a source and travels through space at the speed of light.
- 81. a form of energy that an object or a particle has by reason of its motion.
- 82. used to make tasks easier in terms of manipulating force
Down
- 1. a region around a charged particle or object within which a force would be exerted on other charged particles or objects.
- 3. total potential and kinetic energy of the particles in an object
- 5. energy states that energy can neither be created nor destroyed
- 6. A unit of measure of the rate of electron flow or current in an electrical conductor
- 7. Light Waves The only electromagnetic waves we can see
- 8. neutral charged atom
- 9. gravity's force on an object
- 11. unit for electric potential, electric potential difference
- 12. the process of light bending around an obstacle or spreading out after it moves through a small space.
- 15. motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance.
- 17. the throwing back by a body or surface of light, heat, or sound without absorbing it.
- 19. converted to one or more different substances, known as products.
- 20. covalently bonded set of two or more atoms
- 25. The tendency of an object
- 26. an object in motion will stay in constant motion, unless it's acted upon by an unbalanced force
- 27. As wavelengths get smaller, the waves have more energy.
- 29. Lowest part of a wave
- 30. a splitting or breaking up into parts
- 31. is the pressure from an electrical circuit's power source that pushes charged electrons
- 33. The division of materials into the categories of conductors
- 34. the electrons in the outermost shell, or energy level, of an atom.
- 37. The point on which a lever rests or is supported and on which it pivots.
- 39. a mechanism that converts rotational motion to linear motion
- 42. When two waves superpose to form a wave of greater, lower, or the same amplitude.
- 45. is a word we use to describe how much space an object or substance takes up
- 47. the magnetic moments are aligned with one another because of interactions between molecules or atoms.
- 48. the force acting on its gravity
- 49. They are the simplest mechanisms known that can use leverage (or mechanical advantage) to increase force.
- 50. a path along which the whole current flows through each component
- 52. a table of the chemical elements arranged in order of atomic number
- 54. process by which heat is transferred by movement of a heated fluid such as air or water
- 56. positively charged particle
- 57. Waves Long and short wavelengths.
- 58. They have the smallest wavelength and the most energy of the waves in the electromagnetic spectrum
- 62. the magnetic influence on moving electric charges, electric currents, and magnetic materials
- 64. the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.
- 66. small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction
- 69. Energy the potential energy stored in chemical bonds
- 70. a substance that takes part in and undergoes change during a reaction.
- 71. the overall force of an object when all the individual forces acting on it are added
- 76. The basic unit of a chemical element