Physical Change Flashcards
1
Q
What is a physical change?
A
A change in the state of a substance, but not it’s chemical composition.
2
Q
Is a physical change reversible or irreversible?
A
Reversible
3
Q
Explain the energy changes that occur in a physical.
A
The energy changes are SMALL (compared to chemical changes)
4
Q
Are new substances formed in a physical change?
A
No
5
Q
What is conserved in a physical change?
A
Mass, the number of atoms as well as the number of molecules of the substance.
