Across
- 4. powered by machines
- 8. making and flying of airplanes
- 9. factual information
Down
- 1. allows people or businesses to buy and sell products worldwide by use of the internet
- 2. an object that orbits Earth
- 3. tests equipment for air and space travel
- 5. network that links computers around the world
- 6. celebration that happens every year
- 7. day to remember a special person or event
