Inventions crossword

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Across
  1. 4. press It allowed ink to be transferred from the movable type to paper in a mechanized way
  2. 6. They expanded the possibilities of our vision
  3. 7. indispensible in allowing us to write down and share our ideas.
  4. 8. super-useful metal
  5. 9. Warmth, protection, and led to a host of other key inventions and skills like cooking
Down
  1. 1. it powered trains, ships, factories and the Industrial Revolution as a whole.
  2. 2. They were made of lodestone in China between 300 and 200 B.C
  3. 3. It is a chemical explosive, invented in China in the 9th century.
  4. 5. It was invented by Mesopotamians around 3500 B.C