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RISD 1st Science Voc
RISD 6th Science 1st 9 wks.
| science vocabulary | definitions |
|---|---|
| balance | to have an equality of weight, parts, etc. |
| beaker | a flat-bottomed cylindrical container often used ina laboratory |
| biosphere | part of the earth that supports life |
| biotic | any living or once-living organism in the environment |
| biome | a major regional or global biotic community such as grasslands or desert which have specific life forms and prevailing climate |
| carnivore | an animal that eats meat |
| biomass | the amount of living matter in a given habitat |
| water cycle | continuous cycle of water molecules on Earth as they rise into the atmosphere, fall back to Earth as rain or other precipitation, and flow into rivers and oceans through the processes of evaporation, condensation, and precipitation |
| cycle | a periodically repeated sequence of events |
| consumer | an organism, usually an animal, that feeds on other plants and/or animals |
| compost bin | a container for organic decaying substances such as dead leaves or grass that are used for fertilizer |
| control | as in an experiment, it is the part that is kept constant |
| graduated cylinder | a container that is marked with degrees or gradations for measuring |
| condensation | the process by which water vapor that liquifies to form fog or rain or solidifies to form snow, sleet, or hail |
| community | interactinb populations in a given area |
| carbon cycle | The combined processes, including photosynthesis, decomposition, and respiration, by which carbon as a component of various compounds cycles between its major reservoirsthe atmosphere, oceans, and living organisms. |
| carrying capacity | maximum number of organisms of a particular species that can be supported indefinitely in a given environment |
| abiotic | any nonliving part of the environment, such as water, sunlight, temperature, and air |
| dependent variable | A variable affected by another variable or by a certain event |
| decay | to rot or become decomposed |
| decomposer | an organism that breaks down the cells of plants and animals into simpler substances |
| ecosystem | all of the communities in a given area nd the abiotic factors that affect them |
| food web | model that describes how energy in the form of food moves through a community |
| food chain | model that describes how energy in the form of food passes from one organism to another |
| bacteria | one-celled organisms usually spherical, rod, or spiral shaped which are involved in fermentation, infectious diseases, etc. |
| evaporation | a change from liquid to vapor form |
| energy pyramid | a depiction of the amount of energy in each trophic level of an ecosystem |
| independent variable | A manipulated variable in an experiment or study whose presence or degree determines the change in the dependent variable |
| inference | The act of reasoning from factual knowledge or evidence |
| herbivore | an animal that eats only plants |
| fungi | a group of single-celled organisms that live by decomposing and absorbing the organic material in which they grow |
| qualitative | of or relating to quality or kind |
| quantitative | of or relating to number or quantity |
| hypothesis | A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation |
| prediction | something foretold |
| producer | an organism, as a plant, that is able to produce its own food from inorganic substances |
| omnivore | an animal that eats both plants and animals |
| population | all the individuals of one species in a given area |
| matter | the substance or substances of which any physical object consists or is composed |
| nitrate | any compound containing the univalent group –ONO2 or NO3 |
| symbiosis | any close interaction among two or more different species, including mutualism, commensalism, and parasitism |
| watershed | the region or area drained by a river, stream, etc |
| stimuli | Something causing or regarded as causing a response |
| ground water | freshwater contained in the open spaces of soil and rock; one of the Earth's most important resources for drinking, irrigation, and washing |
| surface water | that which is seen on the surface |
| precipitation | occurs when drops of water or crystals of ice become too large to be suspended in a cloud and fall in the form of rain, freezing rain, sleet, snow, or hail |
| nitrogen cycle | The circulation of nitrogen in nature, consisting of a cycle of chemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by bacteria and plants, eventually return |
Created by:
sgrubb
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