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, February 23, 2015
Combining Atoms
Grade 9s made and recorded final observations of their rusting experiment that they began last week. Lab reports are due tomorrow. We then had a lesson about how atoms combine. Students are asked to complete the questions on p. 266.
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