level: Changing state
Questions and Answers List
level questions: Changing state
| Question | Answer |
|---|---|
| What are the 4 process that can cause a substance to change state | melting - solid to liquid boiling - liquid to gas freezing - liquid to solid condensing - gas to liquid |
| What happens when particles lose or gain energy due to heating or cooling | They submit to the forces of other particles causing them to change state |
| What happens when we heat a substance | Either melt or boil |
| What happens when we cool a substance | Can either condense or freeze |
| What happens when a gas is cooled down to its boiling point | Condenses and becomes a liquid |
| What is the amount of energy needed for substances to change dependent on | The forces between them |
| gas to a solid | sublimation |