ChemMatters

3. playfull quaaint of fanciful, especially in a amusing way
8. the ability to flow
9. Humidity a ratio, expressed in percent, of the amount of atmospheric moisture percent relative to the amount that would be present if the air was saturated
11. solid or liquid particles suspended in air, and ranging in size from 1 nanometer to 100 micrometers
14. a mix of hydrocarbons derived from distillation of crude oil
18. cheerful and optimistic
19. the establishment or starting point of an institution or activity
20. sites CO2 and water hit cold air, water vapor condenses and freezes around small particles

1. the action of repeating something aloud from memory
2. A specialized segment of the market for a particular kind of product or service
4. hydrocarbons with the general formula Cn + H2n+2
5. Manifold the chamber where the gases from the combustion of fuel in the engine collect
6. the quality of being new, original, or unusual
7. disapear or cause to disappear
10. conspicuously inscribe or display design on
12. the process of burning something
13. distillation separation of a liquid mixture into fractions differing in boiling point
15. white streaks created by jet aircrafts
16. used to dilute heavy crude oil to reduce its viscosity and enable/facilitate transport
17. small particles that tends to have an appearance of clouds