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| small, solid objects that revolve around a star |
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| a mixture of gases that surround the Earth in a thin layer |
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| the imaginary line passing through a planet’s poles |
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| from plants and animals wastes after organisms die |
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| the way in which carbon circulates between atmosphere, oceans, and living systems |
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| changes the chemical composition of the rock, rusting |
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| the average weather condition in an area over a long period of time |
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| small rocky bodies of ice, dust and frozen gas |
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| water changing from a gas to a liquid |
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| the reduction in the amount of natural resources a person uses |
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| the shallow portion of the ocean floor that extends out from the shore |
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| where tectonic plates crash into each other, pushing up mountains |
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| when sediments are dropped and it no longer moves |
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| where tectonic plates move away from each other, causing lava flows and volcanoes |
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| a mound of sand deposited by wind erosion |
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| the sudden shaking of the Earth caused by the sudden movement of rock along a fault |
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| occurs when the sun’s rays point to the equator, causing equal amount of daylight hours |
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| the movement of rocks, sediments, or weathered material from place to place |
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| the movement of weathered sediments from one place to another |
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Definition
| water changing from a liquid to a gas |
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| a place where rock has moved on one or both sides of a plate boundary |
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Definition
| contain nitrogen to help plants grow |
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| occur when rain or snowmelt causes too much water to drain into a river, making it overflow its banks |
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| a large grouping of stars and associated gas and dust in space that is bound by gravity |
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| a huge mass of slowly moving rock |
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| an increase in average global |
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| warming of the temperature on Earth because of greenhouse gases |
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Term
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| gases in the atmosphere that absorb heat that would otherwise escape to space |
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| water below the surface that fills the spaces between materials |
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| a strong, swirling storm system with wind speeds from 34 mph to greater than 70 mph |
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| forms when magma cools and hardens |
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| can be used over and over again |
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| a rapid movement of rock and earth down a slope |
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| the pattern of phases the moon goes through as it revolves around the Earth |
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| the different appearances of the moon caused by the part of the moon lit by sunlight visible to the Earth |
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| breaks rock apart by physical means |
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| forms when heat and pressure change the form and chemical makeup of a rock |
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| a small, rocky object from space that passes through Earth’s atmosphere without burning up completely |
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| naturally occurring solids that have a definite structure and chemical composition |
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| another form of a land slide that occurs after heavy rains |
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| a large, unexpected natural event that causes significant physical damage or destruction |
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| substances that occur naturally and are useful to people, this includes living and non living things |
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Definition
| a process that recycles nitrogen between living things and the environment |
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| bacteria that can combine nitrogen gas with hydrogen to make ammonium compounds |
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| resources that can not be replaced, some metals are plentiful, but the amount on Earth is finite |
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| cover nearly three-quarters of the Earth’s surface |
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| the elliptical path a body takes as it travels around another body in space |
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| large bodies orbiting a star |
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| places where the tectonic plates met |
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| occurs when resources are contaminated with harmful substances |
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| solid or liquid water that falls from the atmosphere to the Earth’s surface |
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| a form of conservation, to reuse items |
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| resources that can be replaced in a short period of time |
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| the movement of an object in a path around another body |
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| describes the interactions that change rock from one form to another |
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| groups of minerals packed tightly together |
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| the turning of an object on its axis |
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| water that flows across land into a body of water |
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| an object in space that orbits a larger object |
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Definition
| form from prices of other rocks that have been broken apart and cemented together |
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Definition
| occurs when the sun’s direct rays point to one of the tropics |
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Definition
| hot, glowing balls of plasma |
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Definition
| in the Northern hemisphere when the sun’s rays are directly above the Tropic of Cancer, causing the longest day of the year |
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Definition
| water that flows or remains on the surface of the Earth |
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Definition
| resources are managed in such a way that it can be used indefinitely |
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| Theory of Plate Tectonics |
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Definition
| states that Earth’s crust is divided in pieces, called plates |
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Definition
| a localized, violently rotating column of air rotating from a thunderstorm to the ground |
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| where tectonic plates move past each other causing faults |
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| a large ocean wave produced by an earthquake on the ocean floor |
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| all galaxies orbiting a star |
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| a structure that builds up from materials that rises up from within Earth |
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Definition
| the decreasing amount of light the moon reflects |
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Definition
| the continuous movement of water inside the Earth’s atmosphere |
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| the upper limit of ground water |
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| an area of land from which water drains into a particular body of water |
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Definition
| the increasing amount of light the moon reflects |
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Definition
| the condition of the atmosphere in a given area over a short period of time |
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Definition
| action of water, wind or ice that wears away rock at the Earth’s surface by breaking it down into sediments |
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| an area of land that is under water for part or all of the year |
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| in the Northern Hemisphere when the sun’s rays are directly above the Tropic of Capricorn, causing the shortest day of the year |
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