States of Matter Crossword Puzzle

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Across
  1. 1. iron + oxygen = ?
  2. 3. Atoms tightly packed together.
  3. 6. combustibility is a ______ property.
  4. 8. density is a ______ property.
  5. 9. (true or false)Mixing sugar with water is a physical change.
  6. 10. A chemical change is ________.
Down
  1. 1. A physical change is ______.
  2. 2. (true or false)The Periodic Table has over 300 elements.
  3. 4. Atoms in a gas move very ______.
  4. 5. hydrogen + oxygen = ?
  5. 7. Takes up space.