| A | B |
|---|
| buoyancy | how well an object floats in liquid |
| deflate | to collapse by releasing air |
| drag | force that slows an object down |
| flight | motion of an object through space |
| fluid | a gas or liquid |
| gore | a tapering piece of material forming the envelope of a balloon |
| gravity | force pulling towards earth |
| inflate | filling an object with air or gas |
| launch | to set an aircraft in motion |
| lift | force that causes rising |
| payload | total weight of passengers or cargo an aircraft can carry |
| seam | line or ridge made by overlapping edges |
