Physical And Chemical Change Flashcards
1
Q
What is physical change?
A
When the substances appearance or state may be altered, but it’s composition stays the same.
2
Q
What is Chemical change?
A
Always results in the formation of a different substance or substances.
3
Q
What happens when a substance is changed chemically?
A
There is a new color, there is a new smell, a new substance is produced, the change is difficult to reverse, heat is taken in or given off.
4
Q
What happen when a substance is changed physically?
A
Breaking, crushing or molding into a new shape, no new chemicals are formed, easy to reverse, could change state.
