#1127 How does the color of a bird’s wings help it fly?
How does the color of a bird’s wings help it fly? Many birds that soar and glide have wings that are darker […]
Tag: drag
#876 Why does a golf ball have dimples?
Why does a golf ball have dimples? They make the ball go further. Golf balls didn’t always have dimples. The game was […]
#716 How much height does a parachute need?
How much height does a parachute need? It completely depends on the type of parachute. We need to think about how long […]
#341 How does a parachute work?
How does a parachute work? A parachute works because of air resistance. If you jump out of an airplane, presuming you are […]