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, February 19, 2015
Rust
Grade 9 students learned that iron combines with oxygen to form iron oxide in a process we call rusting. They began planning an investigation into the rate of rusting as follows:
Temmi - temperature
Andrew - acidity
Damien - surface area
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