Monday, November 29, 2010

Entry 19

Nov.  29, 2010

Sunrise: 6:52 AM
Sunset: 4:06 PM
Daylight: 9h 13m

High: 45 F
Low: 28 F
Pressure: 1033 millibars 30.51 in
Dewpoint: 18 F
Humidity: 93%

1. What are the two factors that determine the state of matter of a substance?  Think about how water changes from gas to liquid to solid.
2. What would form at 18 F?