Across
- 4. many physical and chemical changes are affected by_____________.
- 5. Heat added to a substance to change its state.
- 7. occurs when liquid changes into a gas due to an increase in temperature
- 11. the process of a gas turning back into a liquid due to a decrease in temperature
Down
- 1. a type of change that completely alters a substance
- 2. heat removed from a substance to change its state.
- 3. a physical process where heat energy is added to a solid substance causing it to turn into a liquid.
- 6. a process by which we remove enough heat energy to change a liquid into a solid due to a decrease in temperature
- 8. a type of change that only changes the size, shape, or state of matter.
- 9. required to start a chemical reaction
- 10. an example of physical change of matter that creates a solution.