EESA01H3 Lecture Notes - Lecture 2: The Roots, Blood Sugar, Geosphere
25 Sep 2016
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Eesa01h3 f: lecture 2 - matter, energy, and the systems approach in environmental. Room ac 223: 10:00 am - 12:00 pm. Today"s objectives: matter and the basics of energy, energy, the systems approach, feedback loops, the rock cycle and tectonics. Matter: all of the material in the universe that has mass and occupies space, whether solid, liquid, or gas. The law of conservation of matter: matter may be transformed from one type of substance into another but it cannot be created or destroyed. Figure 1: potential pathways for oil to reach bottom sediments. All matter is made up of atoms. Elements: are made of the same atoms. Compounds: are composed of 2 or more different atoms. H2o (water) is a compound composed of hydrogen and oxygen. Table 1: earth"s most abundant chemical elements, by mass. Atoms are defined by their number of protons, which defines their atomic number.
