Across
- 1. The unit of time
- 4. Any object that moves through the air or through space under the influence of gravity
- 9. The unit of mass
- 10. The curved path followed by a projectile under the influence of gravity
- 11. The SI unit for frequency
- 14. Any material that has free electrons that easily flow though it
- 17. The energy that flows from a substance of higher temperature to a substance of lower temperature, measured in joules
- 20. an electronic circuit in which electrical devices are connected along a single loop of wire such that the same current is in each device
- 22. The rate at which the velocity changes with time
- 24. The transfer of heat energy by electromagnetic waves
- 27. The angle of reflection equals the angle of incidence
- 29. The product of the force and the distance moved by the force
- 30. The change of phase from solid to liquid
- 32. The vector sum of forces that act on an object
- 34. When the sum of the forces acting on an object is zero, the object is in _______
- 36. The property of things to resist changes in motion
- 37. The shift in the received frequency due to the motion of a vibrating source toward or away from you
- 42. The number of vibrations or waves per unit of time
- 43. The difference in electric potential between two points, called the potential difference, measured in volts
- 45. The lowest possible temperature that a substance may have
- 50. This temperature scale is popular in the United States, and assigns the freezing temperature of water to be 32 and the boiling point to be 212
- 54. This temperature scale has water freezing at 0 and boiling at 100
- 55. High or Low tides that occur when the Sun, Earth, and the Moon are all lined up
- 60. A Projectile or small celestial body that orbits a larger celestial body
- 62. The force that pulls you down
- 63. The transfer of heat energy by molecular and electron collision
- 66. A shaded region that appears where light rays are blocked by an object
- 68. A partial shadow that appears where some but not all of the light is blocked
- 70. Clustered regions of aligned magnetic atoms
- 73. The change of phase from solid to gas, bypassing the liquid phase
- 74. The rate of energy transfer per unit of time, measured in watts
- 76. A magnet whose field is produced by an electric current
- 77. The oval shaped path followed by a satellite
- 78. This temperature scale favored by scientists is calibrated not by the freezing and boiling points of water, but by energy itself
- 81. The range of electromagnetic waves extending in frequency from radio waves to gamma rays
- 83. The change of phase from liquid to solid
- 84. The transfer of heat energy in a fluid by means of currents
- 85. The bending of light when it passes from one transparent medium to another
- 86. Any material that does not contain free electrons and in which charge does not easily flow
- 87. The flow of electric charge that transports energy, measured in amperes
Down
- 2. The study of electric charges at rest
- 3. A collision in which objects rebound without lasting deformation or generation of heat
- 5. An electric circuit in which electrical devices are connected in such a way that the same voltage acts across each one
- 6. A wave in which the medium vibrates perpendicularly to the direction in which the wave travels
- 7. The distance between successive crests or troughs
- 8. The relationship between electric force, charge, and distance
- 12. In the simplest sense, a push or a pull
- 13. The speed at which the acceleration of a falling object ends because air resistance balances gravitational force
- 15. The change of phase from liquid to gas
- 16. A stationary interference pattern formed when two sets of identical waves pass through the medium in opposite directions
- 18. The energy that something possesses because of its motion
- 19. The resistive force that opposes the motion of an object
- 21. An event in which the Moon blocks light from the Sun and the Moon’s shadow falls on part of the Earth
- 23. The property of materials to pass light in straight lines without being scattered
- 25. The amount of work done per unit of time
- 26. A collision in which objects become distorted, generate heat, and possibly stick together
- 28. The product of the force acting on an object and the time during which it acts
- 31. The SI unit of electric charge
- 33. Motion under the influence of gravity alone
- 35. A quantity that has both a magnitude and a direction
- 38. A measure of the average kinetic energy per molecule in a substance
- 39. The return of light rays into the same medium in which it came from
- 40. An event in which the Moon passes into the shadow of the Earth.
- 41. The quantity of matter in an object
- 44. The change of phase from gas to liquid
- 46. The property of a system that enables it to do work (Ex. PE and KE)
- 47. A wave in which the medium vibrates parallel to the direction in which the wave travels
- 48. The energy that something possesses because of its position
- 49. The quantity of heat per unit mass required to raise the temperature of a substance by 1°C
- 51. Which of Newton's Laws that states "For every action there is an equal but opposite reaction"
- 52. Which of Newton's Laws that states Force is equal to mass times acceleration
- 53. The relationship between Voltage, Current, and Resistance
- 56. An energy carrying wave emitted by a vibrating charge that is composed of oscillating electric and magnetic fields.
- 57. The product of the mass of an object and its velocity
- 58. An object's speed and direction of motion (Vector)
- 59. Which of Newton's Laws that deals with inertia
- 61. The time in which a vibration or wave is completed
- 64. Tides that occur when the moon is midway between new and full, in either direction
- 65. The property of materials not to allow passage of light
- 67. The darker part of a shadow
- 69. the property of a material that resists current, measured in ohms
- 71. For a wave or vibration, the maximum displacement on either side of the equilibrium
- 72. How fast an object moves; the distance traveled per unit of time (Scalar)
- 75. The speed that a projectile, space probe, or similar object must reach to escape the gravitational pull of the Earth
- 79. The force upon an object due to gravity (mg)
- 80. The unit of force
- 82. A quantity that has magnitude but not direction, such as mass and volume