Across
- 1. U.S. space agency
- 4. Force that pulls objects toward Earth
- 7. Small-scale rockets built for learning
- 8. Another word for a quick upward movement
- 10. Opposite of gravity
- 11. These help stabilize a rocket during flight
- 14. A rocket launches from this structure
- 17. The device that helps launch the rocket
- 18. Part that converts fuel into motion
- 19. Rockets need this to create thrust
Down
- 2. The missions that took astronauts to the Moon
- 3. To light the fuel
- 5. What is compressed in air rockets?
- 6. The force that pushes a rocket upward
- 9. Path a satellite takes around a planet
- 12. Rockets travel into this beyond Earth
- 13. Object placed in orbit around Earth
- 15. The pointed front part of a rocket
- 16. Air builds this inside an air rocket