Animals: Structure and Function

Groups of organs with specific structures and functions work together as systems, which interact with other systems in the body.
The development and uses of technology to maintain human health are based, in part, on the changing needs of society.

Monday, January 12, 2015

Chemcial and Physical Properties of Household Items Cont.

Grade 9s continued their investigation into the chemical and physical properties of household substances. Today students measured mass and volume of their samples, calculated density, and checked for the solubility in water of each substance.
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