Across
- 4. What do you call the gas that is produced by heating water?
- 5. What state of matter's particles are very far apart?
- 7. What type of gas do humans breathe out Carbon .............?
- 9. What state of matter is fire?
- 10. What does a gas have more of than a solid or a liquid?
Down
- 1. What makes up any matter?
- 2. What state of matter's particles are quite far apart?
- 3. What gas do humans breathe in?
- 6. What state of matter's particles are very compact?
- 8. What does a solid do when it is heated?