Form 1 Chemistry Review

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Across
  1. 3. A potential source of harm or danger
  2. 4. The quantity of matter in an object
  3. 5. The curve seen at the top of a liquid in response to its container
  4. 6. A systematic process for solving scientific problems
  5. 8. The amount of space occupied by an object
  6. 10. The solid remaining on the filter paper after filtration
  7. 12. An element that is the basis of all life
  8. 14. A mixture of gases surrounding the Earth
  9. 16. A substance that cannot be broken down into simpler substances by chemical means
  10. 18. Using the senses to gather information
  11. 21. A substance formed when two or more elements are chemically bonded together
  12. 25. The branch of science that deals with the composition, properties, and changes of matter
  13. 26. A luminous, cooler flame from a Bunsen burner
  14. 27. A substance that changes color in the presence of an acid or base
  15. 30. Mass per unit volume of a substance
  16. 32. A method used to separate mixtures based on boiling points
  17. 35. A substance used to test whether a solution is acidic or basic
  18. 36. Instrument used to measure temperature
  19. 38. The process of gas turning into liquid
  20. 40. Used to channel liquids or fine-grained substances into containers with small openings
  21. 41. The corrosion of iron in the presence of water and oxygen
  22. 42. A substance with a pH less than 7
  23. 43. A substance that dissolves a solute
  24. 44. A gas essential for respiration and combustion
  25. 46. A shallow dish used to evaporate liquids
Down
  1. 1. A change in which no new substances are formed
  2. 2. A homogeneous mixture of two or more substances
  3. 5. Anything that has mass and occupies space
  4. 6. The process where a solid changes directly into a gas
  5. 7. A tool used to transport a measured volume of liquid
  6. 9. The lightest and most abundant element in the universe
  7. 11. The hottest and cleanest flame of a Bunsen burner
  8. 13. A solution with a pH of 7
  9. 15. A method of separating liquid from solids by pouring
  10. 17. The liquid that has passed through a filter
  11. 19. A common heat source used in laboratories
  12. 20. The process of separating solids from liquids using a filter
  13. 22. A change in which one or more new substances are formed
  14. 23. A chemical reaction involving the loss of electrons or gain of oxygen
  15. 24. A chemical reaction that produces heat and light, usually involving oxygen
  16. 28. A substance that is dissolved in a solvent
  17. 29. The visible, gaseous part of a fire
  18. 31. A combination of two or more substances that are not chemically bonded
  19. 33. A place equipped for scientific experiments and research
  20. 34. A cylindrical glass container used in laboratories for mixing and heating chemicals
  21. 37. A group of atoms bonded together
  22. 39. The process of turning liquid into vapor
  23. 42. The smallest unit of an element that retains the properties of that element
  24. 43. Precautionary measures to prevent accidents in the lab
  25. 45. A substance with a pH greater than 7