Across
- 3. steam rising from a hot cup of coffee.
- 6. Water turning into ice when the temperature drops below 0˚C
- 7. point The melting point of ice is 0°C
- 9. Helium, Argon, Neon, Krypton, Radon, Xenon, Nitrogen, Hydrogen
- 11. at sea level the boiling point of water is 100 C (212 F), but at 6,600 feet the boiling point is 93.4 C (200.1 F).
- 12. dry ice
- 13. the three phases state of matter
- 14. lightning, the aurora, a welding arc, and (of course) a plasma ball toy.
- 15. melting, freezing, condensation, evaporation, and sublimation.
- 17. point The dew point is the temperature to which air must be cooled to become saturated with water vapor, assuming constant air pressure and water content.
- 18. Water,Milk,Blood,Urine,Gasoline.
Down
- 1. when warm moist air inside a house comes into contact with a freezing cold windowpane, water vapor in the air changes to tiny ice crystals.
- 2. In ice cube melting into liquid water
- 4. Having a cold soda on a hot day, the can “sweats.”
- 5. Freezing of water to form ice in an ice cube tray.
- 8. The infinitive 'to' in 'to fly'
- 10. All substances are made of particles.
- 16. common table salt, table sugar, water ice, frozen carbon dioxide (dry ice), glass, rock, most metals, and wood