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2008 Science OGT
Vocabulary Practice
| Term | Definition |
|---|---|
| Conservation of Mass | matter cannot be created or destroyed in an isolated system |
| Locomotion | the act or power of moving from place to place |
| Observation | to notice or perceive something |
| Paramecium | any freshwater protozoan (single-celled organism having animal-like characteristics) that has cilia hairs, oval body, and a long deep oral groove |
| Migration | the movement of a group of animals from one place to another |
| Thermal Energy | the average motion of all moving particles within a substance, can also be called heat energy |
| Theory | a proposed explanation of of something observed |
| Earth Processes | any natural occurence that shapes the crust of Earth ie. earthquakes, volcanoes, and plate tectonics |
| Igneous Rock | rock formed by the solification of molten magma or lava |
| Sedimentary rock | rock formed from other rock particles or through the process of sediment deposited in layers and may contain fossils |
| Metamorphic rock | rock that was once one form of rock, but has changed to another type of rock due to pressure and heat |
| Cellular Processes | those processes that give life to a cell, ie. respiration, metabolism, and growth |
| Pesticide | a chemical that is used to destroy plants, fugus, or animal pests |
| Herbicide | a chemical used to kill plants- especially weeds |
| Mutation | a physical change of an organism that resulted from a change in a gene or chromosome, they can positively or negatively impact that organism |
| Offspring | the child or young of an organism |
| Hypothesis | a possible explanation for an observation of the natural world or scientific problem that can be tested by further investigation |
| Radiometric Dating | a method of determining the age of earth materials based upon the measurement of either short-lived radioactive elements or the amount of long-lived radioactive elements and its decay product |
| Isotope | an element that has the same number of protons(atomic number)as an element, but different numbers of neutrons (different atomic weights) |
| Amplitude | the maximum height of a wave |
| Ethical | conforming to accepted standards of social or professional behavior |
| Bogus | something that is being described as not genuine or fake |
| Proposal | the act of offering or suggesting something for acceptance such as scientific research |
| Frequency | the number of cycles per unit of time of a wave |
| Conductivity | the measure of the ability of a substance to carry electric current, heat, or sound |
| Seismic Wave | an elastic shock wave that travels through the earth, as from an earthquake or explosion, can also specifically be one of four distinct types of waves generated from an earthquake |
| Relevant | having a bearing or connection to the topic being discussed or thought about |
| Consumption | the act of using something,also refers to the decay or destruction of something |
| Debilitating | causing a loss of strength or energy |
| Velocity | a record of distance travelled per unit of time, also known as speed |
| Nebula | a cloud of gas and dust found in space |
| Predation | a relationshiop between animals in which one organism captures and feeds on others |
| Natural Selection | the process by which organisms having traits that better help them to adapt and survive in a specific environment reproduce in greater numbers to eventually ensure the continuation of these favorable traits in future generations |
| Gene Pool | the total amount of genetic information within a population |
| Advocate | to speak or write in favor of something, to support or urge by argument, recommend publically |
| Mimic | to imitate or copy something or someone |
| Valid | describing something that produces the desired result as in an experiment, describing something that is well-founded and just |
| Epidemic | a rapid spreading of disease that affects many people, it is not permanent |
| Implementation | the act of fulfilling or carrying out something such as a a new set of procedures |
| Malleable | describing a metal that is capable of being shaped or formed, as by hammering or pressure |
| Ductile | describing a metal that has the ability of being shaped or bent without breaking or lowering in material strength |
| Pasteurization | to expose (a food, milk, cheese, yogurt, etc.) to a high temperature to destry certain microorganisms that would cause the food to spoil or ferment |
| Fermentation | the conversion of sugar to carbon dioxide and alcohol without the presence of oxygen |
| Homeostasis | the ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its life processes |
| Magma | hot liquid material beneath or within the earth's crust, igneous rock is formed from this |
| Subduction | the process by which collision of the earth's crustal plates results in one plate being drawn down and partly covered by another |
| Potential Energy | the energy an object has due to its position, rather than its motion (ie. coiled spring or a raised weight) |
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ecotogt
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