Across
- 2. Now you don't need to ride a horse to travel.
- 4. You can talk to people from long distances without cables.
- 5. They help to make our world go around.
- 6. If it's raining, you don't get wet.
Down
- 1. Now you can fly!
- 3. Before that, it was difficult for people to move things.
- 7. It's easy to carry thing with this!