what are chalk rocks used for
chalk is made from substances in the earth, (which i don't know the name of) and it is a weak rock that we always see in class,(depends if your teacher is a smartboard â¦ or Geniusboard user or uses marker). Chalk is used for writing, lawn tennis, gymnastics, and toothpaste.
Chalk has many purposes. It can be used as a drying agent for gymnasts, rock climbers, and weightlifters. It is used in billiards (pool) on the tips of the pool cues. It can b â¦ e made into sticks for writing on chalkboards.