yes
yes
True. Breaking up concrete is a physical change because it alters the size and shape of the material without changing its chemical composition. The concrete remains concrete, just in smaller pieces.
Breaking glass is a physical change, as it does not change the chemical composition of the material.
Yes, breaking up concrete is considered a physical change because it alters the size and shape of the material without changing its chemical composition. The concrete remains as a mixture of cement, aggregates, and water, even after being broken into smaller pieces. Physical changes typically involve changes in state or form, and do not affect the chemical identity of the substance.
physical change
Yes, it a physical change.
This is a physical change.
physical change
Breaking off a branch of a tree is a physical change.
Since in breaking down there is no chemical change it's a physical change
Breaking a brick is a physical change because it does not alter the chemical composition of the brick. The bricks remain chemically the same even after breaking into smaller pieces.
Breaking, grinding, cracking are all examples of a physical change. The nature of the substance has not changed, just the size of the pieces has changed.