{"id":1095,"date":"2015-07-10T22:38:59","date_gmt":"2015-07-10T22:38:59","guid":{"rendered":"https:\/\/courses.candelalearning.com\/earthscienceck12\/?post_type=chapter&#038;p=1095"},"modified":"2015-07-10T22:48:59","modified_gmt":"2015-07-10T22:48:59","slug":"a","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/chapter\/a\/","title":{"raw":"A","rendered":"A"},"content":{"raw":"<body>\n    <dl id=\"x-ck12-NTcxNDg2MmU3Yjg2YmNkZTY0ZWE5MjdmYzlhYjdkMjQ.-t6c\">\n<dt>\n        abiotic\n      <\/dt>\n      <dd>\n        Non-living features of an ecosystem include space, nutrients, air, and water.\n      <\/dd>\n      <dt>\n        abrasion\n      <\/dt>\n      <dd>\n        A form of mechanical weathering that occurs whenever one rock hits another.\n      <\/dd>\n      <dt>\n        absolute age\n      <\/dt>\n      <dd>\n        The actual age of a material in years.\n      <\/dd>\n      <dt>\n        abyssal plains\n      <\/dt>\n      <dd>\n        Very flat areas that make up most of the ocean floor.\n      <\/dd>\n      <dt>\n        acid rain\n      <\/dt>\n      <dd>\n        Rain that has a pH of less than 5.0.\n      <\/dd>\n      <dt>\n        active volcano\n      <\/dt>\n      <dd>\n        A volcano that is currently erupting or is just about to erupt.\n      <\/dd>\n      <dt>\n        adaptation\n      <\/dt>\n      <dd>\n        A trait that an organism inherits that helps it survive in its natural environment.\n      <\/dd>\n      <dt>\n        adaptive radiation\n      <\/dt>\n      <dd>\n        An explosion in the diversity of species as vacant niches are filled. This often occurs after a mass extinction.\n      <\/dd>\n      <dt>\n        advection\n      <\/dt>\n      <dd>\n        Horizontal movement of a fluid or the transport of a substance in the flow.\n      <\/dd>\n      <dt>\n        air mass\n      <\/dt>\n      <dd>\n        A large mass of air with the same temperature and humidity characteristics.\n      <\/dd>\n      <dt>\n        air pressure\n      <\/dt>\n      <dd>\n        The force of air pressing on a given area.\n      <\/dd>\n      <dt>\n        albedo\n      <\/dt>\n      <dd>\n        The amount of light that reflects off a surface; snow and ice have high albedo.\n      <\/dd>\n      <dt>\n        alkaline\n      <\/dt>\n      <dd>\n        Also called basic. Substances that have a pH of greater than 7.0.\n      <\/dd>\n      <dt>\n        alluvial fan\n      <\/dt>\n      <dd>\n        Curved, fan-shaped, coarse-sediment deposit that forms when a stream meets flat ground.\n      <\/dd>\n      <dt>\n        alpine (valley) glacier\n      <\/dt>\n      <dd>\n        A glacier found in a valley in the mountains.\n      <\/dd>\n      <dt>\n        altitude\n      <\/dt>\n      <dd>\n        Distance above sea level.\n      <\/dd>\n      <dt>\n        amber\n      <\/dt>\n      <dd>\n        Fossilized tree sap.\n      <\/dd>\n      <dt>\n        amino acid\n      <\/dt>\n      <dd>\n        Organic molecules that are the building blocks of life.\n      <\/dd>\n      <dt>\n        amniote egg\n      <\/dt>\n      <dd>\n        An egg that contains all the nutrients needed for the developing embryo and is protected by a shell.\n      <\/dd>\n      <dt>\n        amplitude\n      <\/dt>\n      <dd>\n        The height of a wave from the center to the top of the crest (or the bottom of the trough).\n      <\/dd>\n      <dt>\n        anticline\n      <\/dt>\n      <dd>\n        A fold that arches upward; older rocks are in the center and younger rocks are at the outside.\n      <\/dd>\n      <dt>\n        anticyclone\n      <\/dt>\n      <dd>\n        Wind system that rotates around a high pressure center.\n      <\/dd>\n      <dt>\n        aphotic zone\n      <\/dt>\n      <dd>\n        The zone in the water column deeper than 200 m where sunlight does not penetrate.\n      <\/dd>\n      <dt>\n        apparent polar wander\n      <\/dt>\n      <dd>\n        The path on the globe showing where the magnetic pole appeared to move over time.\n      <\/dd>\n      <dt>\n        aquaculture\n      <\/dt>\n      <dd>\n        Agriculture of the sea; farmed fish, seafood and aquatic plants.\n      <\/dd>\n      <dt>\n        aquifer\n      <\/dt>\n      <dd>\n        A layer of rock, sand, or gravel that holds large amounts of ground water.\n      <\/dd>\n      <dt>\n        arch\n      <\/dt>\n      <dd>\n        An erosional landform that is produced when waves erode through a cliff.\n      <\/dd>\n      <dt>\n        asterism\n      <\/dt>\n      <dd>\n        A group or cluster of stars that appear close together in the sky.\n      <\/dd>\n      <dt>\n        asteroid\n      <\/dt>\n      <dd>\n        Rocky objects larger than a few hundred meters that orbit the Sun.\n      <\/dd>\n      <dt>\n        asteroid belt\n      <\/dt>\n      <dd>\n        Region between the orbits of Mars and Jupiter where many asteroids are found.\n      <\/dd>\n      <dt>\n        astronomer\n      <\/dt>\n      <dd>\n        Scientists who study the universe beyond Earth.\n      <\/dd>\n      <dt>\n        atmosphere\n      <\/dt>\n      <dd>\n        The layer of gases that surrounds a planet.\n      <\/dd>\n      <dt>\n        atom\n      <\/dt>\n      <dd>\n        The smallest unit of a chemical element.\n      <\/dd>\n      <dt>\n        atomic mass\n      <\/dt>\n      <dd>\n        The number of protons and neutrons in an atom.\n      <\/dd>\n      <dt>\n        aurora\n      <\/dt>\n      <dd>\n        A spectacular light display that occurs in the ionosphere near the poles.\n      <\/dd>\n      <dt>\n        avalanche\n      <\/dt>\n      <dd>\n        Mass of snow that suddenly moves down a mountain under the influence of gravity.\n      <\/dd>\n      <dt>\n        axis\n      <\/dt>\n      <dd>\n        An imaginary line that runs from the North Pole to South Pole, and it includes the center of Earth.\n      <\/dd>\n    <\/dl>\n<\/body>","rendered":"<dl id=\"x-ck12-NTcxNDg2MmU3Yjg2YmNkZTY0ZWE5MjdmYzlhYjdkMjQ.-t6c\">\n<dt>\n        abiotic\n      <\/dt>\n<dd>\n        Non-living features of an ecosystem include space, nutrients, air, and water.\n      <\/dd>\n<dt>\n        abrasion\n      <\/dt>\n<dd>\n        A form of mechanical weathering that occurs whenever one rock hits another.\n      <\/dd>\n<dt>\n        absolute age\n      <\/dt>\n<dd>\n        The actual age of a material in years.\n      <\/dd>\n<dt>\n        abyssal plains\n      <\/dt>\n<dd>\n        Very flat areas that make up most of the ocean floor.\n      <\/dd>\n<dt>\n        acid rain\n      <\/dt>\n<dd>\n        Rain that has a pH of less than 5.0.\n      <\/dd>\n<dt>\n        active volcano\n      <\/dt>\n<dd>\n        A volcano that is currently erupting or is just about to erupt.\n      <\/dd>\n<dt>\n        adaptation\n      <\/dt>\n<dd>\n        A trait that an organism inherits that helps it survive in its natural environment.\n      <\/dd>\n<dt>\n        adaptive radiation\n      <\/dt>\n<dd>\n        An explosion in the diversity of species as vacant niches are filled. This often occurs after a mass extinction.\n      <\/dd>\n<dt>\n        advection\n      <\/dt>\n<dd>\n        Horizontal movement of a fluid or the transport of a substance in the flow.\n      <\/dd>\n<dt>\n        air mass\n      <\/dt>\n<dd>\n        A large mass of air with the same temperature and humidity characteristics.\n      <\/dd>\n<dt>\n        air pressure\n      <\/dt>\n<dd>\n        The force of air pressing on a given area.\n      <\/dd>\n<dt>\n        albedo\n      <\/dt>\n<dd>\n        The amount of light that reflects off a surface; snow and ice have high albedo.\n      <\/dd>\n<dt>\n        alkaline\n      <\/dt>\n<dd>\n        Also called basic. Substances that have a pH of greater than 7.0.\n      <\/dd>\n<dt>\n        alluvial fan\n      <\/dt>\n<dd>\n        Curved, fan-shaped, coarse-sediment deposit that forms when a stream meets flat ground.\n      <\/dd>\n<dt>\n        alpine (valley) glacier\n      <\/dt>\n<dd>\n        A glacier found in a valley in the mountains.\n      <\/dd>\n<dt>\n        altitude\n      <\/dt>\n<dd>\n        Distance above sea level.\n      <\/dd>\n<dt>\n        amber\n      <\/dt>\n<dd>\n        Fossilized tree sap.\n      <\/dd>\n<dt>\n        amino acid\n      <\/dt>\n<dd>\n        Organic molecules that are the building blocks of life.\n      <\/dd>\n<dt>\n        amniote egg\n      <\/dt>\n<dd>\n        An egg that contains all the nutrients needed for the developing embryo and is protected by a shell.\n      <\/dd>\n<dt>\n        amplitude\n      <\/dt>\n<dd>\n        The height of a wave from the center to the top of the crest (or the bottom of the trough).\n      <\/dd>\n<dt>\n        anticline\n      <\/dt>\n<dd>\n        A fold that arches upward; older rocks are in the center and younger rocks are at the outside.\n      <\/dd>\n<dt>\n        anticyclone\n      <\/dt>\n<dd>\n        Wind system that rotates around a high pressure center.\n      <\/dd>\n<dt>\n        aphotic zone\n      <\/dt>\n<dd>\n        The zone in the water column deeper than 200 m where sunlight does not penetrate.\n      <\/dd>\n<dt>\n        apparent polar wander\n      <\/dt>\n<dd>\n        The path on the globe showing where the magnetic pole appeared to move over time.\n      <\/dd>\n<dt>\n        aquaculture\n      <\/dt>\n<dd>\n        Agriculture of the sea; farmed fish, seafood and aquatic plants.\n      <\/dd>\n<dt>\n        aquifer\n      <\/dt>\n<dd>\n        A layer of rock, sand, or gravel that holds large amounts of ground water.\n      <\/dd>\n<dt>\n        arch\n      <\/dt>\n<dd>\n        An erosional landform that is produced when waves erode through a cliff.\n      <\/dd>\n<dt>\n        asterism\n      <\/dt>\n<dd>\n        A group or cluster of stars that appear close together in the sky.\n      <\/dd>\n<dt>\n        asteroid\n      <\/dt>\n<dd>\n        Rocky objects larger than a few hundred meters that orbit the Sun.\n      <\/dd>\n<dt>\n        asteroid belt\n      <\/dt>\n<dd>\n        Region between the orbits of Mars and Jupiter where many asteroids are found.\n      <\/dd>\n<dt>\n        astronomer\n      <\/dt>\n<dd>\n        Scientists who study the universe beyond Earth.\n      <\/dd>\n<dt>\n        atmosphere\n      <\/dt>\n<dd>\n        The layer of gases that surrounds a planet.\n      <\/dd>\n<dt>\n        atom\n      <\/dt>\n<dd>\n        The smallest unit of a chemical element.\n      <\/dd>\n<dt>\n        atomic mass\n      <\/dt>\n<dd>\n        The number of protons and neutrons in an atom.\n      <\/dd>\n<dt>\n        aurora\n      <\/dt>\n<dd>\n        A spectacular light display that occurs in the ionosphere near the poles.\n      <\/dd>\n<dt>\n        avalanche\n      <\/dt>\n<dd>\n        Mass of snow that suddenly moves down a mountain under the influence of gravity.\n      <\/dd>\n<dt>\n        axis\n      <\/dt>\n<dd>\n        An imaginary line that runs from the North Pole to South Pole, and it includes the center of Earth.\n      <\/dd>\n<\/dl>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-1095\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>Earth Science for High School. <strong>Provided by<\/strong>: CK-12. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/www.ck12.org\/book\/CK-12-Earth-Science-For-High-School\/\">http:\/\/www.ck12.org\/book\/CK-12-Earth-Science-For-High-School\/<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/\">CC BY-NC: Attribution-NonCommercial<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":277,"menu_order":119,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Earth Science for High School\",\"author\":\"\",\"organization\":\"CK-12\",\"url\":\"http:\/\/www.ck12.org\/book\/CK-12-Earth-Science-For-High-School\/\",\"project\":\"\",\"license\":\"cc-by-nc\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1095","chapter","type-chapter","status-publish","hentry"],"part":1266,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/users\/277"}],"version-history":[{"count":1,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1095\/revisions"}],"predecessor-version":[{"id":1240,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1095\/revisions\/1240"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/parts\/1266"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapters\/1095\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/media?parent=1095"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/pressbooks\/v2\/chapter-type?post=1095"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/contributor?post=1095"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/earthscienceck12\/wp-json\/wp\/v2\/license?post=1095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}