Across
- 2. Opposing force
- 4. Downward force
- 7. Time period
- 10. Small device that manipulates airflow
- 11. Intersect
- 12. Measurement of height
Down
- 1. Rule
- 3. Upward motion
- 5. Planes have two
- 6. Cleverness
- 8. In the air
- 9. Very large
- 13. Backward force