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7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
7th Grade- Chapters 1-3 Chemical Interactions Book Test Review
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7th Grade- Chapters 1-3 Chemical Interactions Book Test Review

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  • 1. Chapters 1-3 Review Game
  • 2. Compound <ul><li>A substance made of two or more elements chemically combined in a specific ratio, or proportion. </li></ul>
  • 3. coefficients <ul><li>You can balance a chemical change by changing the </li></ul>
  • 4. physical change <ul><li>A change that alters the form or appearance of a material but does not make the material into another substance. </li></ul>
  • 5. Element <ul><li>A substance that cannot be broken down into any other substances by chemical or physical means. </li></ul>
  • 6. chemical reaction <ul><li>The process in which substances undergo chemical changes that results in the formation of new substances. </li></ul>
  • 7. pH scale <ul><li>shows concentration of hydrogen ions in a solution </li></ul>
  • 8. chemical change <ul><li>A change in matter that produces a new substance. </li></ul>
  • 9. solubility <ul><li>Measure of how much solute can dissolve in a solvent at a given temperature </li></ul>
  • 10. Solution <ul><li>A well-mixed mixture. </li></ul>
  • 11. mixture <ul><li>Two or more substances that are mixed together but not chemically combined. </li></ul>
  • 12. Molecule <ul><li>combination of two or more atoms. </li></ul>
  • 13. Chemical formula <ul><li>A combination of the symbols that represent the elements in a compound. </li></ul>
  • 14. chemical change <ul><li>A change in matter that produces a new substance. </li></ul>
  • 15. Chemical Bond <ul><li>The force that holds atoms together. </li></ul>
  • 16. Atom <ul><li>smallest particle of an element. </li></ul>
  • 17. Chemical Symbol <ul><li>A one or two letter set of characters that is used to identify elements. </li></ul>
  • 18. Precipitate <ul><li>A solid that forms from a solution during a chemical reaction. </li></ul>
  • 19. Chemical Equation <ul><li>A short, easy way to show chemical reactions, using symbols instead of words. </li></ul>
  • 20. neutralization <ul><li>Reaction between an acid and a base producing water and a salt </li></ul>
  • 21. Unsaturated <ul><li>If you can continue to dissolve more solute in a solution, you have a(n) ________ solution. </li></ul>
  • 22. Conservation of mass <ul><li>The principle stating that matter is not created or destroyed during a chemical reaction. </li></ul>
  • 23. Chemistry <ul><li>The study of the properties of matter and how matter changes. </li></ul>
  • 24. solute <ul><li>The part of a solution that is present in the smaller amount </li></ul>
  • 25. Subscript H 2 0 <ul><li>A number in a chemical formula that tells the number of the atoms in a molecule or the ratio of the elements in a compound. </li></ul>
  • 26. suspension <ul><li>mixture in which particles can be seen & easily separated by settling or filtration </li></ul>
  • 27. Covalent bond <ul><li>Chemical bond formed when two atoms share electrons </li></ul>
  • 28. Synthesis <ul><li>A chemical reaction in which two or more simple substances combine to form a new, more complex substance. </li></ul>
  • 29. Products <ul><li>A substance formed as a result of a chemical reaction. </li></ul>
  • 30. Reactants <ul><li>A substance that enters into a chemical reaction. </li></ul>
  • 31. Coefficient <ul><li>A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction. </li></ul>
  • 32. Concentration <ul><li>The amount of one material in a volume of another material. </li></ul>
  • 33. Activation energy <ul><li>The minimum amount of energy that has to be added to get a chemical reaction started. </li></ul>
  • 34. Replacement reaction <ul><li>A reaction in which one element replaces another in a compound; or when two elements in different compounds trade places. </li></ul>
  • 35. Indicator <ul><li>A compound that changes color when it comes in contact with an acid or a base </li></ul>
  • 36. Exothermic reaction <ul><li>A reaction that releases energy in the form of heat. </li></ul>
  • 37. decomposition <ul><li>A chemical reaction that breaks down compounds into simpler products. </li></ul>
  • 38. Enzyme <ul><li>A biological catalyst that lowers the activation energy of reactions in cells. </li></ul>
  • 39. Endothermic reaction <ul><li>A reaction that absorbs energy in the form of heat. </li></ul>
  • 40. Solvent <ul><li>The part of a solution that is present in the larger amount. </li></ul>
  • 41. Fuel <ul><li>A material that releases energy when it burns. </li></ul>
  • 42. Base #8-14 on the pH scale
  • 43. Concentrated solution A mixture that has a lot of solute dissolved in it.
  • 44. Solution <ul><li>A very well mixed mixture. </li></ul>
  • 45. fire prevention best form of fire safety
  • 46. acid A substance that turns blue litmus paper red.
  • 47. Acid A substance that turns blue litmus paper red.
  • 48. Inhibitor <ul><li>A material that decreases the rate of a chemical reaction. </li></ul>
  • 49. base Feels slippery
  • 50. Indicator <ul><li>A compound that changes color when it comes in contact with an acid or a base </li></ul>
  • 51. salt Any ionic compound made from the neutralization of an acid with a base.
  • 52. neutral 7 on the pH scale
  • 53. atomic number number of protons in the nucleus of an atom
  • 54. Acid #0-6 on the pH scale
  • 55. catalyst <ul><li>A material that increases the rate of a chemical reaction by lowering the activation energy. </li></ul>
  • 56. alloy <ul><li>Material made of 2 or more elements that has the properties of a metal </li></ul>
  • 57. matter <ul><li>Anything that has mass and takes up space </li></ul>
  • 58. Acid Tastes sour
  • 59. Alkali metals Group 1
  • 60. <ul><li>lower freezing point of solvent </li></ul><ul><li>raise boiling point of solvent </li></ul>2 effects of solutes on solutions
  • 61. period row across the periodic table
  • 62. Fuel, oxygen, heat 3 parts of the fire triangle
  • 63. Noble gases Group 18
  • 64. Combustion A rapid reaction between oxygen and fuel that results in fire.
  • 65. Base A substance that turns red litmus paper blue.
  • 66. Base Tastes bitter
  • 67. digestion Process that breaks down complex molecules of food into smaller particles
  • 68. group (or family) column on the periodic table
  • 69. halogens <ul><li>Group 17 </li></ul>
  • 70. malleable property that metal can be rolled into thin sheets or shapes
  • 71. colloid mixture containing small, undissolved particles that do not settle out - particles large enough to scatter a beam of light
  • 72. Dilute solution Mixture that has only a little solute
  • 73. corrosive Eat away at other materials
  • 74. ductile property that metal can be pulled into wire
  • 75. hydrogen Element with 1 valence electron
  • 76. Base A substance that turns red litmus paper blue.
  • 77. Formation of a new substance Best evidence for a chemical reaction

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