Crossword

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Across
  1. 1. anything that has mass and occupies volume
  2. 6. basic unit of light
  3. 7. Xe
  4. 8. changing directly from solid to gas
  5. 9. device used to magnify
  6. 11. lithium, sodium and potassium are called
  7. 15. it is the study of matter and the changes it undergoes
  8. 16. a reproductive organ of a male plant
  9. 19. rocks formed by extreme heat and pressure
  10. 20. this scientist created atomic theory
  11. 23. group 7 reactive coloured gas
  12. 24. the unit of power
Down
  1. 2. rotational force is also known as
  2. 3. it is the natural science of matter , energy and the relationships between them
  3. 4. the colour that blue litmus paper turns under acidic conditions
  4. 5. NA
  5. 10. KOH
  6. 12. Li
  7. 13. horizontal row on the periodic table
  8. 14. the mechanical process to separate solids from the fluids
  9. 17. the only metal that is in liquid form at room temperature
  10. 18. the distance between identical points of two sucessful waves
  11. 21. it is defined as mass divided by volume
  12. 22. state of matter so hot that nuclei and electrons separate