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OGT Prep Set 9-29-15

Review stack for OGT Prep Class

TermDefinition
Acid A chemical that reacts easily with other substances and turns litmus paper red; less than 7 on the pH scale
Atom The smallest unit of a substance that has all of the properties of that substance
Base A chemical that reacts easily with other substances and turns litmus paper blue; greater than 7 on the pH scale
Carbon cycle The flow of carbon dioxide and oxygen throughout the Earth Cell differentiation
Cellular respiration The process where organisms get energy from organic molecules Ceramic
Climate The weather in some location over a long period of time
Constant Does not change
Convection The process where heat causes fluids (gas or liquid) to rise and bring heat up Covalent
Density The mass of a substance per unit volume
Ecosystem An ecosystem is an area consisting of all plants, animals and micro-organisms (biotic factors) working together with all of the non-living (abiotic) factors of the environment
Electron A negatively charged particle outside the nucleus of an atom
Element A substance composed of atoms with the identical atomic number; organized in the periodic table
Energy The capacity of doing work, can be in various forms such as nuclear, sound, thermal, and light.
Evolution The events involved in the development over long periods of time of organisms
Inquiry The process where information is received by asking questions
Kinetic energy The energy of movement
Mass How much matter there is in an object
Matter Something that has mass and occupies space
Metal A chemical element from the left-hand side of the periodic table that is malleable, ductile and conducts electricity
Molecule The smallest unit of a substance that is the combination of one or more atoms
Newton Sir Isaac Newton, a scientist who made hundreds of contributions to science like the law of gravity and his three major laws of physics; a Newton is a measure of force
Organic A molecule that contains carbon atoms bonded together
Peer review A method of selecting essays to be published where a group of peers review and make comments about the submitted essays
Photosynthesis The process that happens in plants and some other organisms which takes the sun's energy and turns it into usable energy; 6CO2 + 6H2O + Light รจ C6H12O6 (glucose) + 6O2
Plate tectonics The theory that the earth's surface is divided into a few large, thick plates that are constantly moving
Potential energy Stored energy; energy that is released and then becomes kinetic energy Predation
Proton A positively-charged particle in the nucleus of an atom
Pure substance A substance that has an identical chemical composition in every part
Solid One of the basic states of matter which has a definite shape and volume
Temperature The measurement of the average thermal energy of a system
Theory A well proven explanation of some part of the natural world
Compound A substance formed from two or more elements chemically united in fixed proportion.
Dependent variable A variable whose values are determined by one or more (independent) variables.
Quantitative Involving the measurement of quantity or amount.
Qualitative Involving quality or kind.
Scientific method Principles and procedures for the sytematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses.
Variable A quantity that may assume any one of a set of values.
Created by: vedwoosley