Chemical and physical reactions Flashcards
1
Q
What is a chemical change?
A
A change in which a new substance is made.
2
Q
What is a physical change.
A
A physical change does not make anything new, but may involve the original substance changing state.
3
Q
Give two examples of chemical changes.
A
Burning, cooking
4
Q
Give two physical changes.
A
-Melting ice.
-Water boiling.