review

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Across
  1. 2. The part to hold when moving
  2. 6. For measuring a volume of liquid accurately
  3. 9. the branch of science that studies the composition,
  4. 10. the powerhouses of the cell.
  5. 12. For measuring a volume of liquid accurately.
  6. 15. Source of light
  7. 17. the important attitudes in Science
  8. 19. the study of nature by making observations and doing experiments.
  9. 21. to clip the specimen
  10. 22. Controls what enters and exits the cell
  11. 24. For transferring quids into a flask
  12. 25. the skill of drawing conclusions from observations or information gathered.
  13. 26. magnifies objects
  14. 27. plant cells usually break down waste through the vacuole.
Down
  1. 1. is the amount of space occupied by a substance or an object.
  2. 3. Focusing the image quickly
  3. 4. For containing chemicals when preparing gases if the process requires No heating
  4. 5. electrical experiments and the invention of the lightning rod.
  5. 7. is the skill of using the senses to find out about things or what is happening
  6. 8. is a measure of the extent of a surface.
  7. 11. Sl unit of time is
  8. 13. helps us understand the things around us and solve problems
  9. 14. produce proteins, which are essential for cell growth, repair, and function.
  10. 16. Example substances Irritating or stimulative substances
  11. 18. Example substances Poisonous or toxic subtances
  12. 20. For heating solids directly over a flame
  13. 23. the study of the Earth’s structure