Assessing your learning
Test your understanding of physical and chemical changes.
1. A physical change is a change in which:
2. Which of the following is a physical change?
3. Which of the following is a chemical change?
4. One characteristic of a chemical change is:
5. Dissolving sugar in water is an example of:
6. A chemical reaction involves:
7. In a chemical reaction, substances that react are called:
8. The law of conservation of matter states that: