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science vocabulary
science vocab
| Term | Definition |
|---|---|
| law of conservation of mass | mass can not be created nor destroyed just change form |
| reactant | the materials of the reactant that causes it to happen |
| product | the materials formed from the reaction |
| flammability | able to burn or catch fire |
| precipitate | material formed as a result of chemical change |
| phase change | changing from one state of matter to another |
| chemical change | reaction that forms a new substance evidence includes: formation of precipitate change of temperature,change of color ,and formation of gas |
| physical property | characteristics that can be observed with your senses or measured |
| period | a row on the periodic table |
| group or family | a column on the periodic table |
| atomic mass | the average number of protons and neutrons an atom |
| element | a pure substance that has the 2 or more of the same atoms |
| compound | two or more elements chemically bonded,example water |
| conductivity | able to transmit electricity,heat |
| unconformity | when a rock disturbs a series of undisturbed layers |
| law of superposition | in an undisturbed set layer of rock , the younger rock is on the top and the older rock is on the bottom |
| half life | when the amount of a radioactive element in decreased by half after a period of time |
| absolute dating | Finding the exact date of something |
| relative dating | determining the relative order of past events |
| index fosil | a fossil that is useful for dating |
| convergent boundary | fragments of the lithosphere move toward one another and collide. |
| divergent boundary | a linear feature that exists between two tectonic plates that are moving away from each other. |
| transform boundary | Two plates sliding against each other |
| fault | A crack in the earths fault |
| igneous rock | Is one of the three main rock types |
| weathering | To wash away |
| ice core | is a core sample that is typically removed from an ice |
| geologic time scale | describes the timing and relationship beetween re |
| mantel | |
| convection current | |
| pangaea | |
| theory of continental drift | |
| erosion | |
| Estuary | |
| polarity | |
| Cohesion | |
| Adhesion | |
| Groundwater | |
| Impermeabel | |
| premeabel | |
| Glacier/Icecap | |
| Solvent | |
| Aqufire | |
| River basin/Water shed | |
| Ocean current | |
| reservoir | |
| Cold seep | |
| Phytoplankton | |
| Deep ocean (Benthic Zone) | |
| Brackish water | |
| Chemo synthesis | |
| Up-welling | |
| Salinity | |
| Shore (Intertidal zone) | |
| Open ocean (Pelagic zone) | |
| tributary | |
| eutrophication |
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