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6th Grade Science Vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Biotic Factor   An Interaction that involves a living or one living organism  
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Abiotic Factor   A nonliving part of an environment  
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Population   A group of individuals of the same species that live in the same place at the same time  
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Species   Organisms that are closely related and can mate to produce fertile offspring  
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Community   All the populations of soecies that live in the same habitat and interact with each other  
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Ecosystem   A community of organisms and their nonliving environment  
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Producer   An organism that can make its own food  
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Decomposer   An organism that gets energy and mutrients by breaking gown the remains of other organisms  
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Consumer   An organism that eats other organisms  
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Food Chain   The path of energy transfer from producers to consumers  
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Food Web   A diagram that shows the feeding relationships between organisms in a ecosystem  
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Carrying Capacity   The largest population that an invironment can support  
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Predator   An organism that kills and eats another organism  
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Prey   An animal that is killed and eaten by another animal  
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Symbiosis   A relationship in which two different organisms live in close association with each other  
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Mutualism   A relationship between two species in which both species benefit  
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Commensalism   A relationship between two species in which one species benefits and the other is unaffected  
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Parasitism   A relationship between two species in which one species benefits and the other species is harmed  
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Renewable Resource   A natural resource that can be replaced at the same rate at which the resources is consumed  
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Nonrenewable Resource   A resource that forms at a rate that is much slower than rate at which the resource is consumed  
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Solar System   The sun and all of the bodies that orbit the sun  
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Terrestrial Planets   The four small, dense, rocky planets that orbit closest to the sun (inner planets)  
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Astronomical Unit   The average distance between Earth and the Sun  
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Gas Giant   A large planet that has a deep, massive atmosphere (outer planet)  
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Comet   A small body of ice, rock and dust follows an elliptical orbit around the sun  
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Asteroid   Small, irregularly shaped, rocky object that orbits the sun  
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Meteoroid   A relatively small rocky body that travels through space  
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Meteor   A bright streak of light that results when a meteoroid burns up in Earth's atmosphere  
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Meteorite   A meteoroid that reaches Earth's surface without burning up  
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Rotation   The spinning of an object, such as a planet, on its axis  
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Revolution   The motion of one body around another, like Earth's orbit around the sun  
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Axis   A line through an object around which it rotates  
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Day   The time is takes a planet to make one full revolution on its axis  
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Year   The time it takes a planet to make one full revolution  
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season   A division of the yeart that is characterized by temperature and other weather trends  
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Lunar (moon) Phases   The different appearances of the moon  
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Eclipse   An event in which the shadow of one celestial body falls on another  
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Tide   Daily changes in the level of ocean water  
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Position   Describes the location of an object  
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Motion   A change in a object's position over time  
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Speed   Measure of how far something moves in a given amount of time  
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Velocity   The speed of an object in a particular direction  
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Acceleration   The rate at which velocity changes over time  
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Force   A push or pull exerted on an object  
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Balanced Forces   Two or more forces that act upon an object and result in no change in motion  
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Unbalanced Forces   Two or more forces resulting in a change in an object's motion  
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Net Forces   The combination of all the forces acting on an object  
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Inertia   The tendency of all objects to resist a change in motion  
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Gravity   A force of attraction between objects due to their mass  
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Orbit   The path that a body follows as it travels around another body in space  
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