Particles: Chemical and Physical Changes Flashcards
1
Q
What is a physical change?
A
When a substance changes shape or state.
2
Q
What is a chemical change?
A
When 1 or more new substances are made.
3
Q
What is the difference between a chemical change and a physical change?
A
A chemical change is a change in the chemical composition of a substance and cannot return to normal while a physical change is change of state and can return to its previous form.