Across
- 2. Type of graph used to show the relation of a part to its whole
- 3. The use of knowledge to solve practical problems
- 4. The closeness of a measurement to its actual value
- 6. The scientist that discovered the atom's nucleus
- 11. An arrangement of electrons in the orbitals of an atom
- 12. A material's ability to allow heat to flow
- 13. A material's ability to be hammered without shattering
- 16. A gauge at how exact a measurement is
- 21. A statement that summarizes a pattern in nature
- 22. The ratio of an object's mass to its volume
- 24. All the digits known in a measurements
- 25. The study of the stars and the universe beyond Earth
- 27. An experiment where only one variable changes
- 30. A dense, positively charged mass located in the center of the atom
- 37. When a solid forms in a liquid mixture due to a chemical change
- 38. Type of graph useful to show changes in related variables
- 43. A relationship in which the product of two variables is constant
- 45. The ratio of equivalent measurements
- 49. The amount of space that a object or sample takes up
- 50. A region of space around the nucleus where an electron is most likely to be found
- 51. A proposed answer to a question
- 55. The temperature where a substance changes from a liquid to a gas
- 56. When an element have the same atomic number but different #'s of neutrons
- 58. A negative charged subatomic particle that is found in the atom's nucleus
- 59. A negative charged subatomic particle that is found outside of the nucleus. It has a charge of -1
- 60. A substance that can be broken down into 2 or more simpler substances
- 61. What tells you how many protons are in an element's atom
- 62. The scientist that discovered that all matter is made up of atoms, which can not be divided
- 63. The smallest particle of an element
- 66. Information gained through your senses
- 67. The ability for a material to catch on fire in the presence of oxygen
- 68. A type of mixture in which it is hard to tell the different substances apart because of how close they are
- 69. Matter that always have the exact same composition
- 70. When all electrons are at their lowest energy levels, an atom is at ___
Down
- 1. A well-tested explanation for a set of observations and data
- 5. When a substance reacts and changes its composition
- 7. The temperature where a substance changes from a solid to a liquid
- 8. Separating materials by using their boiling points
- 9. A representation of an object or event so you can observe it better
- 10. Separating materials by using the size of their particles
- 14. When the properties change but the composition stays the same
- 15. Does settle and Does scatter light
- 17. Doesn't settle and Doesn't scatter light
- 18. The variable that reacts to the change
- 19. The scientist that discovered that atoms are made of even smaller particles
- 20. The variable that causes a change
- 21. A way of expressing a value as the product as a # 1-10 and a power of 10
- 23. A characteristic of a material that can be observed without changing the composition
- 26. The study of matter and energy and their interactions between forces and motion
- 28. An organized plan for gathering, organizing, and communicating information
- 29. Life science
- 31. Protons, Electrons, and Neutrons are all examples of ____ particles
- 32. A straight line distance between 2 points
- 33. Type of graph used to compare data sets and measurements
- 34. The sum of how many protons and neutrons are in an atom
- 35. A system of knowledge and the methods you use to find that knowledge
- 36. The quantity of matter in an obanect or sample
- 39. How easy a substance combines with another
- 40. The possible energies that electrons in an atom can have
- 41. The ability to produce a change in the matter's composition
- 42. A relationship in which the ratio of two variables is constant
- 44. A substance that can not be broken down into simpler substances
- 46. A positive charged subatomic particle that is located in the atom's nucleus
- 47. Doesn't settle and Does scatter light
- 48. The study of composition, structure, properties, and the reactions of matter
- 52. The study of Earth and rocks
- 53. A type of matter in which the composition is not fixed
- 54. A type of mixture in which it is easy the tell the different substances apart
- 57. A visual model of the most likely locations of electrons
- 64. The tendency of a liquid to keep it from flowing
- 65. The ratio of a vertical change to its corresponding horizontal change