chemicals
Chalk is a school supply that is made of limestone. Limestone is ground into a fine powder and used to make chalk sticks which are commonly used on chalkboards.
sedimentary rocks
calcium carbonate
Limestone, marble, and chalk are all types of sedimentary rocks composed mainly of calcite. Limestone is the precursor to marble when subjected to high pressure and temperature. Chalk is a softer form of limestone made up of microscopic marine organisms.
It is pretty much the same. Chalk and limestone are made of the same elements, but to to make chalk they change the limestone a bit. First they change the shape and then make it smooth. I hope that helps!
There is Sandstone, Chalk, Coal, Limestone, and Shale.
well chalk is a white lime stone and limestone is sedimentry
hi, isn't that chalk?
They're made of limestone (chalk).
Chalk is primarily made of calcium carbonate, which is a mineral compound. It is commonly found in the form of limestone or marble. The word "chalk" comes from the Latin word "calx," meaning limestone.
Limestone and chalk.
chalk is a very pure form of limestone made of calcite. i think >:P