Loading the lesson
Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
Consider a scenario where a piece of metal is bent. Discuss whether this is a physical or chemical change and why.
Think about whether any new material is formed.
You have saltwater. If you heat it until water evaporates, what kind of change is happening, and what can you recover?
Consider the state of the substances before and after heating.
Enroll free to get your answers marked and your progress saved.
Enroll free