physical
It is a physical change, as the chemical integrity remains the same.
That's a physical change.
It is a physical change because while the apple is cut into smaller pieces, it is still composed of the same materials. If you lit the apple on fire, that would result in a chemical change.
Mowing is a mechanical process, not a chemical reaction.
A crosscut saw.
Sawing a board in half is not an example of chemical change. It is an example of a physical change. Physical changes on a substance do not change the substance. When you saw a board in half, the two halves of the boards are still boards- they're not anything else.
. ONE . "how many boards can you cut from it ?" depends on how big the tree is and how big the boards are.
It's felled, cut into planks & boards and dried.
Any martial arts supply company will sell breaking boards. And you can buy pine boards at any lumber company, they do have to be completely dried and cut to size.
Its a chemical change
They are cut down by a harvester, Then a forwarder takes the logs to the pine break, A Truck then takes the trees to the mill were they are processed into boards in the mill.
Pine board is made from pine trees, which are harvested and then processed in a sawmill. The logs are debarked, cut into rough dimensions, and then dried to reduce moisture content. After drying, the boards are planed to achieve a smooth surface and uniform thickness before being cut to final sizes. Finally, the boards may be treated or finished for various applications, such as furniture or construction.
Its a chemical change
physical
It is a physical change, as the chemical integrity remains the same.
Physical change