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.
Thursday, November 6, 2014
Pure Substances and Mixtures
We made good progress in beginning our chemistry unit today. We reviewed the particle theory of matter to ensure that students had a more comprehensive understanding of its main ideas. We defined pure substances and mixtures.
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