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Estrella Mountain Community College

Online Biology Book: Chemistry Ii: Water and Organic Molecules

For Students 9th - 10th
Online biology textbook discussing the chemical nature of water, and the importance of its molecular structure to life. Also discusses at length the organic molecules nucleic acids, proteins, lipids, and carbohydrates.
Handout
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Reverse Osmosis and Osmotic Pressure What They Are

For Students 9th - 10th
This site gives a good explanation of osmosis and reverse osmosis. Also includes a scientific diagram of the process.
Handout
Other

Fundamentals of Reverse Osmosis

For Students 9th - 10th
This site provides a basic definition of reverse osmosis, with a bit of a slant on why water pretreatment is important.
Graphic
Curated OER

Reverse Osmosis and Osmotic Pressure What They Are

For Students 9th - 10th
This site gives a good explanation of osmosis and reverse osmosis. Also includes a scientific diagram of the process.

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