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OGT Prep Set 9-29-15
Review stack for OGT Prep Class
| Term | Definition |
|---|---|
| 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. |
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vedwoosley