Friday, March 6, 2009

Physical && Chemical Properties

Physical Properties- any aspect or substance that can be measured or perceived without changing its identity.

5 Ex:
Color
Smell 
Freezing Point
Boiling Point
Texture

Chemical Properties- any materials property that becomes evident during a chemical reaction.

5 Ex:
Conductivity
Fermentation
Flammability
Pepper Burns in Air
Iron Rusting

Wednesday, March 4, 2009

Heterogenous && Homogenous Mixtures

Heterogenous- a mixture that does not have uniform composition and properties throughout

6 EX:
Suspension of water and flour
Soil
Ocean Water
Chalk Powder
Sand
Salt

Homogenous- any combination of substance that has uniforn composition and properties

6 EX:
Corn Oil
White Vinegar
Brass
Coffee
Sea- Water
Gasoline