Across
- 4. The act of inventing something, Typically a process or device
- 6. ______ was invented by the Chinese along with many interesting uses for paper like paper money and playing cards. The first paper was invented in the 2nd century BC and the manufacture later perfected around 105 AD
- 7. a toy consisting of a light frame with thin material stretched over it, flown in the wind at the end of a long string.
- 9. _______were often used to make sure that homes were built facing the right direction so they would be in contact with nature.
Down
- 1. the production of books, newspapers, or other printed material.
- 2. ________was invented in the 9th century by chemists trying to find the Elixir of Immortality. Not long after, engineers figured out how to use gunpowder for military uses such as bombs, guns, mines, and even rockets.
- 3. a device containing gunpowder and other combustible chemicals that causes a spectacular explosion when ignited, used typically for display or in celebrations.
- 5. Kites were first used as a way for the ____ to signal warnings to each other.
- 8. a toy consisting of a pair of joined discs with a deep groove between them in which string is attached and wound, which can be spun alternately downward and upward by its weight and momentum as the string unwinds and rewinds.