Gunner's Science Vocabulary Crossword Puzzle

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Across
  1. 2. To dull the luster of a metallic surface
  2. 7. Anything that has volume and mass
  3. 12. Force that attracts or repels objects
  4. 13. All the water on Earth's surface
  5. 15. Hammering metal into a flat sheet
  6. 17. A combination of two or more substances that do not chemically combine and can be separated
  7. 18. A solid that is formed from a chemical reaction by combining two liquids
  8. 19. The amount of matter in a given space or volume
  9. 20. Any film or coating on metal caused by a chemical reaction with oxygen
  10. 21. A measure of how much matter is present in a substance
  11. 22. The element with atomic number 6
  12. 23. The ability of an object to be drawn into a wire
Down
  1. 1. A substance that is made of only one type of atom
  2. 3. One of the four conditions which matter exists
  3. 4. The layer of gases surrounding the Earth
  4. 5. The ability of a substance to burn casing fire
  5. 6. Tending to break rather that to flex or bend
  6. 8. The part of the Earth where living organisms exist
  7. 9. An indication that an event has or has not occurred
  8. 10. How well heat or electricity moves through an object
  9. 11. One or two letters used to represent an element
  10. 14. The color of a mineral in powdered form
  11. 16. The smallest particle of an element