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| Term | Definition |
|---|---|
| atoms | the basic unit of a chemical element |
| element | a part or aspect of something abstract |
| matter | physical substance in general |
| nucleus | the central and most important part of an objesct |
| molecule | a group of atoms bonded together |
| compound | a thing that is composed of two or more elements |
| hydrocarbon | class of organic chemicals made up of only the elements carbon H or C |
| solution | a homogeneous type of mixture of two or more substances. |
| macromolecules | any very large molecule, usually with a diameter ranging from about 100 to 10,000 angstroms |
| protiens | A molecule made up of amino acids. |
| nucleuc acids | large biomolecules that play essential roles in all cells and viruses. |
| carbohydrates | sugar molecules. |
| lipids | fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in polar solvents such as water. |
| ph | A measure of how acidic or basic a substance or solution is. |
| feedback loop | a mechanism that helps a system self-regulate and adapt by using feedback. |
| erosion | Erosion is the action of surface processes |
| geosphere | the layer of Earth made up of solid rock and other rocky materials. |
| lithosphere | the solid, outer part of Earth. |
| biosphere | a global ecosystem made up of living organisms |
| atmosphere | a mixture of gases that surrounds the Earth. |
| hydrosphere | the total amount of water on a planet |
Created by:
MRGREEN