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GED
78 words my mother is having me study for my GED.
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Other
Graduate
07/22/2014

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Term
Glacier
Definition
  1. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
Term
Fault
Definition
an unattractive or unsatisfactory feature, especially in a piece of work or in a person's character.
Term
Natural Gas
Definition
  1. flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel.
Term
Solar System
Definition
  1. the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
Term
Magma
Definition
  1. hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
Term
planet
Definition
a celestial body moving in an elliptical orbit around a star.
Term
Coal
Definition
a combustible black or dark brown rock consisting mainly of carbonized plant matter, found mainly in underground deposits and widely used as fuel.
Term
Epicenter
Definition
the point on the earth's surface vertically above the focus of an earthquake.
Term
Nuclear Power Plant
Definition
  1. nuclear power plant is a thermal power station in which the heat source is a nuclear reactor. As is typical in all conventional thermalpower stations the heat is used to generate steam which drives a steam turbine connected to a generator which produces electricity.
Term
Revolve
Definition
move in a circle on a central axis.
Term
SeaFloor Spreading
Definition
  1. the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
Term
Front
Definition
the side or part of an object that presents itself to view or that is normally seen or used first; the most forward part of something.
Term
Techonic Plates
Definition
a scientific theory that describes the large-scale motions of Earth's lithosphere. The model builds on the concepts of continental drift, developed during the first few decades of the 20th century. 
Term
Big Bang
Definition
  1. the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.
Term
Air Mass
Definition
  1. a body of air with horizontally uniform temperature, humidity, and pressure.
Term
Lava
Definition
  1. hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
Term
Weathering
Definition
wear away or change the appearance or texture of (something) by long exposure to the air.
Term
Rotate
Definition
move or cause to move in a circle around an axis or center.
Term
Mantle
Definition
A sheath of tissue surrounding the organs of a mollusk, producing the mollusk's shell and performing respiration.
Term
Wind
Definition
the perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction.
Term
Population Density
Definition
is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and particularly to humans.
Term
Earthquake
Definition
a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
Term
Focus
Definition
the center of interest or activity.
Term
Seimic Waves
Definition
  1. an elastic wave in the earth produced by an earthquake or other means.
Term
Convection Currents
Definition
  1. a current in a fluid that results from convection.
Term
Milky Way
Definition
the spiral galaxy containing our solar systemWith the naked eye it is observed as a faint luminous bandstretching across the heavens, composed of approximately a trillion stars, most of which are too distant tobe seen indiviually.
Term
Erosion
Definition
the process of eroding or being eroded by wind, water, or other natural agents.
Term
Richter Scale
Definition
  1. a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. The more destructive earthquakes typically have magnitudes between about 5.5 and 8.9; the scale is logarithmic and a difference of one represents an approximate thirtyfold difference in magnitude.
Term
Cerebellum
Definition
  1. the part of the brain at the back of the skull in vertebrates. Its function is to coordinate and regulate muscular activity.
Term
Trachea
Definition
a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.
Term
Fermentation
Definition
the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
Term
Evolution
Definition
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
Term
Photosynthisis
Definition
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
Term
Daughter Cells
Definition
Either of the two identical cells that form when a cell divides. Either of the two cells formed when a cell undergoes celldivision by mitosis.
Term
Cerebrum
Definition
  1. the principal and most anterior part of the brain in vertebrates, located in the front area of the skull and consisting of two hemispheres, left and right, separated by a fissure. It is responsible for the integration of complex sensory and neural functions and the initiation and coordination of voluntary activity in the body.
Term
Cloning
Definition
propagate (an organism or cell) as a clone.
Term
Herbivore
Definition
  1. an animal that feeds on plants.
Term
Carbohydrate
Definition
any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose. They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy in the animal body.
Term
Trait
Definition
a distinguishing quality or characteristic, typically one belonging to a person.
Term
Mutation
Definition
the action or process of mutating.
Term
Genome
Definition
the haploid set of chromosomes in a gamete or microorganism, or in each cell of a multicellular organism.
Term
Predator
Definition
an animal that naturally preys on others.
Term
Genetics
Definition
the study of heredity and the variation of inherited characteristics.
Term
Artery
Definition
any of the muscular-walled tubes forming part of the circulation system by which blood (mainly that which has been oxygenated) is conveyed from the heart to all parts of the body.
Term
Molecule
Definition
  1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Term
Ribosome
Definition
  1. a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.
Term
Producers
Definition
An autotropic organism capable of producing complex organic compoundsfrom simple inorganicmolecules through the process of photosnythisis (using light energy) or through chemosnythsis (using chemical energy).
Term
Cell Membrane
Definition
  1. the semipermeable membrane surrounding the cytoplasm of a cell.
Term
Reflex
Definition
an action that is performed as a response to a stimulus and without conscious thought.
Term
Tissue
Definition
any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
Term
Brainstem
Definition
  1. the central trunk of the mammalian brain, consisting of the medulla oblongata, pons, and midbrain, and continuing downward to form the spinal cord.
Term
Denitrification
Definition
is a microbially facilitated process of nitrate reduction (performed by a large group of heterotrophic facultative anaerobic bacteria) that may ultimately produce molecular nitrogen (N2) through a series of intermediate gaseous nitrogen oxide products.
Term
Natural Selection
Definition
  1. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
Term
Antibodies
Definition
  1. a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.
Term
Connective Tissue
Definition
  1. tissue that connects, supports, binds, or separates other tissues or organs, typically having relatively few cells embedded in an amorphous matrix, often with collagen or other fibers, and including cartilaginous, fatty, and elastic tissues.
Term
Organism
Definition
an individual animal, plant, or single-celled life form.
Term
Stimulus
Definition
a thing or event that evokes a specific functional reaction in an organ or tissue.
Term
Parent Cell
Definition
A cell that is the source of other cells, as a cell that divides to produce two or more daughter cells, or a stem cell that is a progenitor ofother cells or is the first in a line of developing cells.
Term
Food Chain
Definition
a hierarchical series of organisms each dependent on the next as a source of food.
Term
Vaccine
Definition
a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
Term
Organ
Definition
a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
Term
DNA
Definition
deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
Term
Atrium
Definition
each of the two upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body; the left atrium receives oxygenated blood from the pulmonary vein.
Term
Epithelial Tissue
Definition
Membranous tissue composed of one or more layers of cells separated by very little intercellular substance and forming the covering of most internal and external surfaces of the body and its organs.
Term
Aorta
Definition
  1. the main artery of the body, supplying oxygenated blood to the circulatory system. In humans it passes over the heart from the left ventricle and runs down in front of the backbone.
Term
Biomass
Definition
the total mass of organisms in a given area or volume.
Term
Circulatory System
Definition
  1. the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
Term
Evaporate
Definition
turn from liquid into vapor.
Term
Fossils
Definition
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Term
Ventricle
Definition
a hollow part or cavity in an organ.
Term
Carnivore
Definition
an animal that feeds on flesh.
Term
Digestive System
Definition
The organs and glands in the body that are responsible for digestion
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