Across
- 2. It was a _______ day because it changed travel forever.
- 3. Everyone began to ______ and clap when the the first plane flew across the Atlantic ocean.
- 6. He maintained a ________ speed so the plane would stay stable in the sky.
- 7. Building the first big steam engine was a very difficult _______.
- 9. To ________ practical flight, they had to practice flying in many types of weather.
- 13. Today, high-speed trains _________ us to travel between cities in just a few hours.
- 14. If a flight is canceled, the passengers feel very ___________.
- 17. Steam engines didn't always work perfectly; sometimes the engine would _______ and stop moving.
- 18. The pilot of a plane must remain _______ and focused while he is working.
- 19. Early pilots had one simple _______: they wanted to fly across the ocean.
- 20. The ______ of a car is that you can travel whenever you want, without a schedule.
- 21. Before cars, people had to __________ the distance of their trips carefully so they wouldn't get lost.
Down
- 1. In the past, walking long distances was very ____________ and took many days.
- 4. Early travelers were often _____ of wild animals when they walked through dark forests.
- 5. Later, people learned to _______ the skill of riding horses to travel faster.
- 8. The pilot felt _________ and brave as he sat in the cockpit of his new plane.
- 10. When the first steam train arrived, a huge ______ of people gathered to see it.
- 11. Thousands of years ago, people had to _______ high mountains on foot to get to new lands.
- 12. Dogs and horses worked _______ humans to help carry heavy bags.
- 15. Most people are ___________ by how fast and safe modern planes are today.
- 16. In the 1920s, traveling by ship became very ________ for prosperous people.
- 19. Engineers had to _________ many parts to build one single locomotive.
