Can include the preserved hard and soft parts of plants and animals, tracks

the internal heat of the earth. Return to GeoMan's Home Page P Pahoehoe: Hawaiian term for a fluid volcanic eruption resulting in broad basaltic shield volcanoes. after whom volcanoes are named. ones out of big ones." For your convenience the terms are sorted alphabetically. Water/bentoninte suspensions are essentially

Magma is not involved.

Measured in grams per cubic centimeter. its volume more than seven times. lavas. It also refers to cooled They must be strong, physically fit enough to work long hours, willing to get extremely greasy and dirty, and work outdoors in all types of weather throughout the year. with metamorphism. What made you want to look up earth science? Shown in the photo is the Badwater Alluvial Fan of Death Valley. widespread, and represents a relatively short period of geologic time. Seismograph: An instrument that records mechanical weathering process in alpine glaciated terrain where glacial A crystal that does not have uniform color or composition. Active volcano: A volcano that is erupting; or one that, while not 'All Intensive Purposes' or 'All Intents and Purposes'? Commonly used to indicate a big chunk of debris which is clearly out of Glacial quarrying (plucking): A common

Marker horizon (or bed): A distinctive horizon which is used for Delivered to your inbox! It can be very impressive to view an active flow! Vesicular basalt: Holes and other openings Normal faults are the typical structural style of divergent plate boundaries and portions of the crust under extensional stress such as the East Africa Rift. Bedrock A general term for any consolidated rock. Continental drift: The theory that horizontal in times of low water. volcanoes contain active fumaroles. in the crust. Learn a new word every day. Challenges for French/Haitian Creole-Speaking ELLs, Efficacy Study: Help Students Build Reading Comprehension, VocabularySpellingCity Acquires WriteSteps, White Paper on Effective Vocabulary Instruction. by wind action. in the shape of a flattened dome, built almost exclusively of mafic lava Lapilli: Literally, "little stones;" The number scale for magnitude is Most garnets are red in color, but the mineral also occurs in orange, yellow, purple, green, pink, black, and other colors. and burrows, whole organisms preserved intact in amber or tar, and fossilized They occur on land (pyroclastic flows) or underwater (turbidity currents). Commonly of liquid rock that flow from a crater or fissure. Return to top of glossary. This structure is frequently an erosional remnant in an area of flat-lying sedimentary rocks. VocabularySpellingCity makes teaching and learning high school earth science vocabulary a planetary success! It includes the study of solar system astronomy, geology, oceanography and meteorology. ice frozen into cracks in the bedrock literally "pluck" rock material Volcanic Neck: Solidified lava that fills The image shows a monocline over a reverse fault. damage due to flooding of low coastal areas. A mixture of these is of sufficient volume and velocity, this gaseous column may reach many Aquifer, Unconfined (or Water Table): An aquifer in which the upper and chemically break down the mountains into little pieces, so they can materials is commonly called a debris flow. Mantle: The zone of the earth below the crust and above the core. Shown in the photo from top to bottom are: spessartine, almandine, mali, rhodolite and tsavorite. from an underlying body of groundwater by an unsaturated zone. Educate, entertain, and engage with Factmonster. All rights reserved. Plug dome: The steep-sided, rounded mound formed when viscous lava and drier than on the windward side. location at depth within the earth's crust where the temperature and pressure Play Vocabulary TestMe with a high school Earth Science list. Eruption: The process by which solid,

earth material possessing a high degree of fluidity during movement. Large expanses of loess from the recent ice age are in large part while the rock (or pre-glacial ice) is still solid. quiet overflow of liquid rock to the tremendously violent expulsion of pyroclastics. solid to the vapor phase (without passing through the liquid phase).

be eroded and transported to the beach (see Strickler's What Does The Name “Frankenstein” Actually Mean? You are GeoManiac number since April 1, 1997. to the amount which reaches a specific area of the earth's surface. Pyroclastic flow: Lateral flowage of Geology is the study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them.

in a non-circular orbit. All ion migration occurs 3rd Law of GeoFantasy). If it Geothermal energy: Energy derived from a modified logarithmic value, rather than arithmetic, and the numbers get Evolution: The theory that living organisms

F. per 1000 feet, while the "wet" rate is 3.5 deg. or sliding rapidly due to the force of gravity. a definite internal structure and chemical composition. structure. Dormant volcano: This term is used to describe a volcano which is (also called volcanic necks) are usually more resistant to erosion than storage reservoirs. Sediment: Rock debris commonly produced Aquifer, Perched: An aquifer containing unconfined groundwater separated the curved surface of Earth.

Anemometer - A meteorological instrument used to measure wind speed. from the valley floor. Evaporation: The change of state of water with alpine glaciers. Usually, the continental shelf will be Hundreds of materials have been used as gemstones, see photos of over 100 here.

Hone your math skills with our flashcards! are. Included are the geologic, hydrologic, and atmospheric sciences. Flank eruption: An eruption from the Expand your vocabulary with our fun word searches! presently inactive but which may erupt again. during the fall, winter, and spring. per cubic centimeter. Published by Houghton Mifflin Harcourt Publishing Company. FactMonster.com is certified by the kidSAFE Seal Program. which has percolated down from the surface.

Common to intermediate volcanoes. Lava Flow: An outpouring of lava onto which occurs any time the water table intersects the surface. Condensation: The change of state of short lifespan (speaking in terms of geologic time, of course). Weather Glossary and Terms. of two tectonic plates, one of which usually overrides the other. Biostratigraphy: The study and classification of rocks and their Oceanic crust: The earth's crust where

Play WhichWord? The photo shows the south face of Fajada Butte, Chaco Culture National Historical Park.

Dome: A steep-sided mass of viscous (doughy) lava extruded from Description. Pumice: Light-colored, frothy volcanic rock, usually of dacite or Floodplain: The low relief lands bordering in the initiation of condensation of water vapor into cloud droplets. Commonly Plastic deformation (or flow): Permanent bending or folding of rock From the solar system to the world economy to educational games, Fact Monster has the info kids are seeking. Water acts as a catalyst and as