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STAAR vocabulary for Units 1-4

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Question
Answer
Preventative Safety Equipment   Equipment, such as goggles, used to prevent accidents from happening in the lab  
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Emergency Safety Equipment   Equipment, such as fire blankets or eye washes, used when there is an emergency in the lab  
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Procedures   Steps to follow  
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Photosynthesis   The process where plants transform radiant energy from the sun in to chemical energy in glucose  
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Chlorophyll   The pigment that gives plants it's green color.  
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Stomata   The place on a plant where gas exchange takes place  
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Transpiration   Plants release water vapor into the atmosphere  
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Chloroplast   the part of a plants cell where photosynthesis takes place  
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Glucose   A simple sugar made by plants during photosynthesis  
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Trophic Level   A level in a food web where all organisms have the same role  
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biomass   the total amount of living organisms (plants and animals) in an area  
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Producer   organisms that make their own food through photosynthesis  
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Consumer   Organisms that must eat other organisms to get energy  
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Decomposer   organisms that break down dead plants and animals and put nutrients back into the soil  
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Respiration   The process where plants turn glucose into usable energy  
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Turgor Pressure   The amount of fluid in plant cells that give a plant its stiffness  
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Geotropism   A plants response to gravity  
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Work   A force acting through a distance (causing movement)  
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Joule   A unit of measurement for work  
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Newton   A unit of measurement for Force  
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Catastrophic Event   An event, such as a hurricane or tornado, that causes extensive damage to ecosystems and humans  
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drought   A long period of little to no rainfall  
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Earthquake   Faults in the earth collide and release pressure  
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tsunami   A very large wave caused by an earthquake in the ocean  
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flood   A large amount of water filling or moving in areas beyond where it normally would be  
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hurricane   An ocean storm with violent winds and rain  
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Tornado   a destructive funnel of violently rotating winds  
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Volcano   A mountain or hill with an opening where lava can escape  
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Wildfire   a large, destructive fire that spreads quickly  
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Ecoregion   an area that has similar land, soil, and species characteristics  
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weathering   The breaking down of rocks  
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erosion   The carrying away from sediments  
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deposition   The dropping of sediments after they have been carried a distance  
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processes   actions or steps  
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reshape   shape differently; change  
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Environment   An area with both living and non living components  
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watershed   An area where waters from different areas flow in to a larger body of water  
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aquifer   a permeable rock area below ground which can carry water  
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groundwater   water underground  
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porosity   the ability to absorb fluids  
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permeability   the ability to allow liquids to flow through  
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percolation   The slow movement of liquid through an object  
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pollution   the introduction of something that is poisonous or harmful to an environment  
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infiltration   small groups or things moving into an area  
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