Kambri McKeeman crossword 9/10/18

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Across
  1. 2. A form of writing with wedge shaped markings
  2. 5. When the crust sinks back down into the mantle at a colliding plate boundary
  3. 6. A picture that shows meaning to a word or an idea
  4. 9. When molten adds new crust in earth's water
  5. 10. Some who is skilled in writing and record keeping
Down
  1. 1. A sharpened reed used to put pressure and put markings in the tables
  2. 3. Mountains that are underneath land and inside of the ocean and takes part in a long system of underwater mountains
  3. 4. A electronic that can reflects sound waves off of objects in the water
  4. 7. A mix of copper and tin that is used to make stronger things
  5. 8. A deep undersea valley that slowly sinks towards the mantle