Across
- 3. single repeated unit
- 7. contains 5 carbons and no double bonds
- 9. made from crude oil and used in machinery
- 10. used as a jet fuel
- 12. name given to gases in the atmosphere that absorb infrared radiation
- 14. single bond
- 16. flame colour with incomplete combustion
- 18. contains hydrogen and carbon
- 19. longchain molecule
- 20. a branch of science
- 21. property of a fluid and how it flows
Down
- 1. used to generate electricity
- 2. an environmental impact of burning fossil fuels
- 4. hydrocarbon with 8 carbon atoms
- 5. chemical breakdown of a substance by bacteria
- 6. another word for petrol
- 8. C2H5OH
- 11. separating substances based on boiling points
- 12. name given to gases in the atmosphere that absorb infrared radiation
- 13. unprocessed oil
- 15. burning in the presence of oxygen
- 16. triple bond suffix
- 17. greenhouse gas
- 20. byproduct of respiration