Across
- 3. Speeds much faster than supersonic
- 4. A vehicle built to travel beyond Earth into space
- 6. The pushing force produced by engines
- 7. Electronic systems used to control and guide aircraft
- 10. The field that combines air and space engineering
- 12. A vehicle designed to fly within Earth’s atmosphere
- 13. The force that pushes an airplane upward
Down
- 1. Faster than the speed of sound
- 2. Strong, lightweight materials made by combining substances
- 5. The force that slows an object moving through air
- 8. The science that explains motion, energy, and forces
- 9. The system that makes an aircraft or rocket move forward
- 11. The subject used to calculate speed, distance, and forces