Across
- 3. the tendency of all objects to resist any change in motion
- 5. a property of a moving object that depends on the objects mass and velocity
- 8. circuit a complete, closed path through which electric charges flow
- 12. energy made available by the flow of electric charge through a conductor
- 13. a pure substance composed of two or more elements that are chemically combined
- 16. ready susceptibility to chemical change
- 18. a force that opposes motion between 2 surfaces that are touching
- 19. wave a wave in which the particles of the medium vibrate back and forth along the path that the wave travels
- 21. the action that results when a force causes an object to move in the direction of the force
- 23. a combination of 2 of more substances that are not chemically combined
- 24. a measure of the gravitational force exerted on an object, usually by the Earth
- 27. energy the total energy of motion and position of an object
- 28. the rate at which velocity changes, an object accelerates if its speed changes, if its direction changes, or if both change
- 30. energy the energy of motion; depends on speed and mass
- 31. the maximum distance a wave vibrates from its rest position
- 34. a transfer of thermal energy by the movement of liquid or gas
- 35. 3rd Law For every action there is an equal and opposite reaction
- 37. energy the form of energy associated with changes in the nucleus of an atom
- 38. the ability of a substance to be pounded into thin sheets
- 40. an objects change in position over time when compared with a reference point
- 41. a neutral group of atoms held together by covalent bonds
- 42. the ability to dissolve in another substance
- 43. wave a wave in which the particles of the waves medium vibrate perpendicular to the direction the wave is traveling
- 45. energy energy from the sun
- 47. the transfer of energy through matter or space as electromagnetic waves, such as visible light and infrared waves
- 49. number the sum of the protons and the neutrons in an atom
- 50. circuit a circuit in which all parts are connected in a single loop
- 51. how high or low a sound is perceived to be
- 52. gases the unreactive elements in group 18 of the periodic table; their atoms have 8 valence electrons except Helium
- 53. property a property of matter that can be observed or measured without changing the identity of the matter
Down
- 1. a force of attraction between objects that is due to their masses
- 2. 1st Law objects at rest tend to stay at rest, objects in motion tend to stay in motion
- 4. the transfer of energy between objects that are at different temperatures
- 6. having the properties of a magnet
- 7. reaction the process by which one or more substances undergo change to produce one or more different substances
- 9. the complete back-and-forth motion of an object
- 10. a measure of how hot or cold something is
- 11. become larger in size or volume or quantity
- 14. elements that are dull and are poor conductors of thermal energy and electric current
- 15. energy due to an objects position above the Earth's surface
- 17. the transfer of thermal energy from one substance to another through direct contact; conduction can also occur within a substance
- 18. a push or a pull; all forces have both size and direction
- 20. the speed of an object in a particular direction
- 22. the number of waves produced in a given amount of time
- 25. energy the energy of position or shape
- 26. change a change that occurs when one or more substances are changed into entirely new substances with different properties
- 29. the amount of matter in a given space, mass per unit volume
- 32. a type of energy that travels as an electromagnetic wave
- 33. the rate at which an object moves
- 36. the distance between one point on a wave and the corresponding point on an adjacent wave in a series of waves
- 39. 2nd Law the acceleration of an object depends on the mass of the object and the amount of force applied
- 44. a pure substance that cannot be separated or broken down into simpler substances by physical or chemical means
- 46. the ability to do work
- 47. the starting materials in a chemical reaction
- 48. atom has no overall charge because there are equal numbers of protons and electrons
- 53. scale a measurement scale of hydronium ion concentration in a solution pH 7 neutral, less than 7 acidic, more than 7 basic
- 54. longitudinal waves created by vibrations