March 30, 2011

9:49pm
(Notes: 164)
  
Filed under: science chemistry chemical reaction match fire 
March 30, 2011
rust on a car

rust on a car

8:44am
(Notes: 98)
  
Filed under: science chemistry chemical reaction rust photography 
March 25, 2011
dry ice + water = carbon dioxide

dry ice + water = carbon dioxide

3:17pm
(Notes: 45)
  
Filed under: science chemistry dry ice water carbon dioxide chemical reaction