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lesson 1 and 2
| Term | Definition |
|---|---|
| matter | any material that has mass and occupies space,64 |
| atom | the basic unit of matter,the smallest unit that maintains the chemical properties |
| element | a chemical substance with a unique set of properties that cannot be broken down to substance= |
| nucleus | the central core of an atom. |
| molecule | a combination of two or more atoms |
| compound | a substance combining two or more different elements |
| Hydro carbons | an organic compound combining hydrogen and carbon. |
| solution | a mixture of which all ingredients are evenly distributed. |
| macro molecules | a large organic molecule includes proteins,nucleic acids.carbo hydrates, and lipids |
| protein | an organic compound made up of carbon,oxygen,nitrogen,and sometimes sulfur |
| nucleic acid | a macro molecules that carries hereditary information |
| carbohydrate | an organic compound that consists of atoms of carbon,hydrogen and oxygen. |
| lipids | a chemically diverse compound that doesn't dissolve in water |
| pH | a measure of acidity or alkalinity |
| feedback loop | a circular process that describes how an event is both a cause and an effecting the same system can be a positive feedback loop |
| erosion | the removal of soil by water,wind,ice,or gravity |
| geosphere | all the rock at and below earth's surface |
| lithosphere | sphere of earth made up of the hard rock |
| biosphere | the earth and all of it's organsims |
Created by:
logandehaut