Moving around something
Orbit
Not experiencing gravity
Weightlessness
When a person flips in the air
Somersault
How tall something is/Height above sea level
Altitude
Happening at the same time
Coincide
Flying
Soar
A cloth tool that helps you float through the air
Parachute
Black powder after burning something
Soot
An industry or thing that is starting out
Fledgling
Competitor or Enemy
Rival
The limit or line
Boundary
Loud explosive sound when something travels past the speed of sound
Sonic boom
Scattered pieces of trash or waste
Debris
Being better than others
Superior
Slowly move
Drift
Letting out a gas, smell or sound
Emit
Living well or doing well
Thriving
A small container
Capsule
Really interesting in something
Fascinated
A person is the first to do or try something
Pioneer
Advanced human society
Civilization
An action or event marking a significant change
Milestone