No new substances.
A mechanical engineer.
No. It is a physical change.
Physical change
A physical change would be a change in a physical property. A "physical property", by itself, may or may not change.
Yes
No, though it is not easily irreversible like chemical reactions it is mainly a physical change, unless your car set in fire. (Burning is chemical)
Yes
The key here is what happens to the matter. Does it change into a different material or just change shape? If the metal changes into a new substance like iron into rust then it would be chemical but this is definitely a physical change. - - - - - Car crashes can cause both physical and chemical changes. The bending of the car is a physical change, but if the wreck catches fire that's a chemical change.
it is a physical change.
yes
i tink that it is a physical change
Always Crashing in the Same Car was created on 1977-01-14.
Am I cute?
Smashing a car is a physical change because when the car is smashed it's, still the car. You didn't use any chemiclas to change it - the changes are only in appearance. So it's still a car until you use some kind of chemical to change it.
physical change
A car crash is physical.