Inventions that Changed the World

123456789101112
Across
  1. 5. The ability of this invention, which 'stores' electrical charge, led to the invention of thousands of other useful electrical devices and machines
  2. 6. This invention provided a revolutionary way for wooden structures to be held together securely
  3. 7. Thanks to this invention, people could navigate and explore the world
  4. 9. For the first time people could reliably keep food in their house fresh without it going bad quickly
  5. 10. Before this invention, mud and straw were usually used for building
  6. 11. For the first time you could speak to somebody who wasn't in the same room as you
  7. 12. Without this invention there would be no cars, bicycles or roller skates
Down
  1. 1. This 15th century invention meant that multiple copies of books could be made for the first time
  2. 2. This invention allowed people to travel across the world in less than a day
  3. 3. This invention allows us to find information about anything in the world
  4. 4. For the first time, people could control the amount of light around them, including inside their home
  5. 8. This invention allowed people to see tiny things that they never knew existed before