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