Across
- 2. sum of kinetic and potential energy of the particles in matter due to their random motion
- 5. transfer of thermal energy by the movement of particles from one part of a material to another
- 6. The result of substances being combined in a chemical reaction.
- 7. nonrenewable energy resources made of the remains of ancient organisms and is burned as an energy source
- 10. the particles in a solid _______, or move back and forth, in a fixed place
- 12. the scale the United States uses to measure temperature
- 14. The number of protons in the nucleus of each element.
- 16. energy that is stored in an object because of the object’s position
- 18. Substances that are combined to form products in a chemical reaction.
- 19. a pure substance that cannot be broken down into any other substance by chemical or physical means
- 22. any characteristic that gives a substance the ability to undergo a change that results in a new substance
- 28. energy that is carried by electromagnetic waves
- 29. the scale that most other countries use to measure temperature
- 30. has a definite shape and definite volume
- 32. a group of two or more atoms held together by chemical bonds
- 33. the expanding of matter due to the thermal energy increasing, causing its particles to spread out
- 36. the amount of mass a material has in a given volume
- 38. type of energy resource that is replaced as fast as, or faster than, it is used
- 40. transfer of thermal energy between materials because of collisions between particles
- 42. A positively charged subatomic particle located at the center of an atom.
- 43. Matter in which atoms are constantly moving around and bumping into each other.
- 44. the temperature at which a solid becomes a liquid
- 47. Elements arranged in vertical columns of the periodic table that share the same properties.
- 49. a characteristic of a material that you can observe or measure without changing the material
- 51. the ability to cause change
- 52. energy carried by sound
- 53. the ability for metal to be hammered, pressed or rolled into thin sheets
- 55. The average mass of the nucleus of that element.
- 57. A subatomic particle of an atom that is negatively charged and orbits the nucleus extremely fast.
- 58. elements that have some properties of metals and some properties of nonmetals
- 61. a push or pull exerted on an object
- 62. someone who studies chemistry
- 64. the ability of an object to transfer heat
- 65. total energy of an object or group of objects due to large-scale motions and interactions
- 69. matter with a composition that is always the same
- 70. change from a solid to a gas
- 71. Matter in which atoms are closely spaced and vibrate in a fixed position.
- 74. located in the outermost shell of an atom
- 76. has indefinite shape but definite volume
- 77. energy cannot be created or destroyed, it can only be transformed from one form to another
- 78. energy an object has because of its motion
- 79. law that states the mass of what you end with is always the same as the mass of what you start with
Down
- 1. degrees Celsius for the boiling point water, at sea level
- 3. energy that is stored in the nucleus of an atom
- 4. has indefinite shape and indefinite volume
- 5. the potential energy stored within atoms and molecules and is observed when a chemical reaction occurs
- 8. anything that has mass and takes up space
- 9. a measure of how hot or cold something is compared to a reference point.
- 11. a device that regulates the temperature of a system
- 13. the ability for metal to be drawn into wires
- 15. substances that can conduct electric currents under some conditions but not under other conditions
- 17. Matter in which atoms vibrate so much that they are far apart.
- 20. A substance that speeds up a chemical reaction.
- 21. the temperature at which a liquid becomes a gas
- 23. scientist that discovered a set of patterns that applied to all elements
- 24. the ability of an object to carry electric currents
- 25. amount of matter in an object
- 26. the shine of a metal
- 27. Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.
- 31. an element that lacks most of the properties of a metal
- 34. change from a solid to a liquid
- 35. energy carried by an electric current
- 37. Characteristics of matter that can be used to identify substances.
- 39. force of attraction between any two masses
- 41. type of energy resource that is used faster than it is replaced
- 45. the number of states of matter
- 46. force between atoms or groups of atoms
- 48. a change where the physical properties of a substance change but the substance does not change
- 50. transfer of thermal energy from one material to another by electromagnetic waves
- 54. the basic particle from which all elements are made
- 56. An abbreviation for the name of an element on the periodic table.
- 59. the scale many scientists use to measure temperature
- 60. a change in the identity of a substance due to the chemical properties of that substance
- 63. force that resists the motion of two surfaces that are touching
- 66. transfer of thermal energy from a warmer object to a cooler object
- 67. A subatomic particle with no charge located at the center of an atom.
- 68. the result of oxygen in the air reacting with the iron and causing erosion
- 72. change from a gas to a solid
- 73. Repeating rows of the periodic table that demonstrate patterns of how elements are arranged.
- 75. change from a liquid to solid