EESA01H3 Lecture Notes - Lecture 2: Marine Debris, Hydrogen Bond, Negative Feedback
29 Dec 2019
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What is matter : matter is what makes up our bodies, our belongings, our physical environment, and in fact our universe. Potential pathways for oil to reach bottom sediments. Classification of matter: element is a substance that cannot be separated into simpler substances by chemical means, compounds: salt, water, and carbon dioxide. Organic and inorganic compounds are essential to life: organic compounds consist of carbon atoms, and usually hydrogen atoms joined by covalent bonds (where the atoms share electrons). Often, there are other elements, like nitrogen, sulphur, oxygen, and phosphorus in these compounds as well: most biological matter is composed of organic compounds called hydrocarbons. Inorganic compounds lack any carbon-carbon bonds but are still essential to life (e. g. water! Energy: definition: the capacity to change the position, physical composition, or temperature of matter. , a force that can accomplish work , two types of energy, potential: energy related to position.
