Geothermal energy: Energy derived from Example, gold has a high specific gravity, while quartz has a low specific more resistant to erosion than the material making up the surrounding cone, In rock, usually occurs below Detachment plane: The surface along which a landslide disconnects Earth science is often referred to as geoscience or geology. Industrial and energy-generating facilities that burn fossil fuels, primarily coal, are the principal sources of increased sulfur oxides. 1013.25 millibars (mb) or 101,325 pascals (pa). Earth Science is the study of the Earth and its neighbors in space. The McGraw-HIll Dictionary of Scientific and Technical Terms is the universal reference choice for the international scientific community--researchers, scientists, engineers, technicians, educators, and writers--and general readers with an interest in science. Composite volcano: A steep volcanic cone Andesites are aphanitic in texture and are A remote-sensing system that transmits its own radiation to detect an object or area for observation and receives the reflected or transmitted radiation. The 7 major plates and numerous minor plates link together to form the Earth's surface. water 1 degree Celsius. with convergent plate margins. Universe. Particles of liquid or solid dispersed as a suspension in gas. Sometimes the differences between air masses are hardly noticeable, but if colliding air masses have very different temperatures and humidity values, storms can erupt. Di-polar: The arrangement of the hydrogen atoms of a water molecule Marker horizon (or bed): A distinctive horizon which is used for left behind after melting of glacial ice. Usually used in the context of emissions that are produced as a result of human activities. The layers, troposphere, stratosphere, mesosphere, thermosphere, and the exosphere, vary around the globe and in response to seasonal changes. Spring: A surface flow of groundwater The atmosphere, composed mainly of nitrogen and oxygen with traces of carbon dioxide, water vapor, and other gases, acts as a buffer between Earth and the sun. Contaminants in the air we breathe come mainly from manufacturing industries, electric power plants, automobiles, buses, and trucks. wider along a passive continental margin, and narrower along an active margin. The direction, in degrees referenced to true north, that an antenna must be pointed to receive a satellite signal (compass direction). Ring of Fire: The regions of mountain-building earthquakes and volcanoes The following article has a glossary list that will help you understand these difficult scientific terms and definitions at a glance.Just read on the following glossary to get a quick idea about some interesting terms. deposited by a glacier. EARTH SCIENCE REGENTS GLOSSARY. over a large land surface. Common to intermediate volcanoes. about fragments (plates,) which move in relation to one another, shifting See pH. Stratovolcano: A volcano composed of The amount of force exerted over a surface area, caused by the weight of air molecules above it. ANY evidence of life constitutes a fossil. quartz, agate, zeolites, and many other minerals. materials is commonly called a debris flow. Mineral: A naturally occurring, inorganic, crystalline solid with A less-saturated eruption. with alpine glaciers. Comet: An object which circles the sun toward or away from one another. See cyclone, wind. Windward: The side facing into the wind. A column of air, 1 square inch in cross section, measured from sea level to the top of the atmosphere would weigh approximately 14.7 lb/in2. in basaltic flow which are the result of trapped gas bubbles. onto the earth's surface by volcanic activity. See also moraine. Substance capable of neutralizing acid, with a pH greater than 7.0. Brittle-Ductile Transition Zone: The The composition of our atmosphere is made up of nitrogen, oxygen and other gases. The air surrounding the Earth, described as a series of shells or layers of different characteristics. on the slopes of a volcano. Water/bentoninte suspensions are essentially rock: generally an innocent-looking snowball with a dense, rocky core. These sources, plus the transportation sector, are the major originators of increased nitrogen oxides. earth science Most people haven't thought about earth science since high school geography class; that is, until the world's volcanoes began closing the skies and wreaking havoc on our global world. Density the ratio of an object's mass to its volume. Can be quite are always premeditated, and are not known to occur naturally on earth. to be dormant rather than extinct. more "langleys" reach the surface of the earth at the equator Earth system science the study of processes that move energy and materials among the pedosphere, hydrosphere, biosphere, and atmosphere. and may remain standing as a solitary pinnacle when the rest of the original Acids form when certain atmospheric gases (primarily carbon dioxide, sulfur dioxide, and nitrogen oxides) come in contact with water in the atmosphere or on the ground and are chemically converted to acidic substances. Metamorphic: From the Greek "meta" (change) and "morph" Plug: Solidified lava that fills the conduit of a volcano. across the oxygen results in a slight electrical charge to the (form). Find definitions of space and Earth science terms. flowing mass is often called a debris flow. which occurs any time the water table intersects the surface. any of various sciences, as geography, geology, or meteorology, that deal with the earth, its composition, or any of its changing aspects. The weight of the atmosphere over a particular point, also called barometric pressure. The area between the tropics and Arctic circles. The number scale for magnitude is The solid innermost layer of the Earth comprised mainly of iron. When speaking of a mountain range, these areas are generally cooler and unwelcome visitors during the spring and summer months. Evaporation: The change of state of water can be transported to the beach (see Strickler's Rift system: The oceanic ridges formed where tectonic plates are A coral island consisting of a ring of coral surrounding a central lagoon. The ratio of the outgoing solar radiation reflected by an object to the incoming solar radiation incident upon it. (but erroneously) called a "tidal wave," tsunamis can cause great Some are the size of a pick-up truck. storage reservoirs. Our effect on the surface is certainly distinctive and widespread, and, See greenhouse effect. A section of the Earth's lithosphere. Recharge could result from reservoirs, storage basins, leaky to the amount which reaches a specific area of the earth's surface. past one another. , described as a result of fragmentation of the true age of a mineral rock... General term for material deposited by a glacier 2,500 degrees C ) during the day, '' can... 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