Chemical Matter CKLA

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Across
  1. 5. any substance that occupies space and has mass
  2. 7. add notes to text or diagram to give an explanation
  3. 8. spread on thickly
  4. 10. the substance matter
  5. 12. to make a sudden, unsteady movement
  6. 13. the basic unit of an element
  7. 14. a good channel for something (like electricity)
  8. 18. a way of looking at something
  9. 20. combine more than one thing to make a new whole
  10. 21. to gently touch or push
Down
  1. 1. Bleak and lifeless
  2. 2. the science of fossils
  3. 3. To say something in a low or hard-to-hear voice, often with annoyance
  4. 4. a movement, usually of the hand or head, to express meaning or point to something
  5. 6. a quality of sound: clear, long-lasting
  6. 8. to be squashed between two things
  7. 9. To shine with a light that seems to move a little
  8. 11. the amount of matter in a substance or object
  9. 15. the act of finding something new or unexpected
  10. 16. literary device: a method authors use to convey information
  11. 17. a area of high, level (no slope) ground
  12. 19. a very hot oven