You can do your science coursework yourself !
Squash
Pickle ball Squash
the chemicals of a squash ball is hydrogen chloride and nitrous oxide
The warmer squash balls get, the bouncier they are. you can't play using a cold ball because it won't bounce off the walls and floor very high or well.
Wilson.
The sport is probably squash, although the ball doesn't have to be black.
The diameter of a tennis ball is 2.63 inches, or 6.7 centimers. A squash ball's diameter is between 39.5 and 40.5 millimeters.
orange
Yes squash ball is between 23 to 25 grams, and golf balls can get up to 46 grams
A golf ball weighs more.
The little ball on your squash racket is used to absorb the shock when you hit the ball. Once you get your strings changed, though, you no longer need the ball because the strings that you get put on your racket are generally better than the ones that your racket came with. If you take off the little ball with the original strings, you will probably be able to feel a little difference when you hit the ball (it might vibrate a little).
one of them are blue