Test Answers on Geology Flashcards

Geology Ch. 5- Minerals

ionic bond oppositely charged ions attract to produce a neutral chemical compound- weak (velcro) covalent bond sharing of electrons to achieve a stable atomic structure- strong (rope) metallic bond electrons are shared between all atoms van der waals bond opposite charges occuring on opposite sides of a sheet- weak (usually found in weak areas- graphite) […]

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Ch 3: Introduction to Environmental Geology (Minerals and Rocks) Keller

mineral naturally occuring, solid Earth matieral that has formed by geologic processes; building blocks of the rocks that form the solid framework of Earth’s crust geochemistry the study of the chemistry of the earth, of atoms and elements of importance to geologic processes; isotope two atoms of the same element with a different number of […]

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Geology Test #2 Study Guide

True or False: We are living during the third largest extinction event in geologic history? True A pair of metamorphic rocks with biochemical origins are: Marble and Anthracite Detrital sedimentary rocks are classified (named) based on the: Grain sizes of the detrial particles. The appearance and rapid proliferation of hard boiled macro fossils in the […]

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Geology Chapter 2: Minerals

Mineral A *naturally occurring*, *inorganic*, *crystalline solid* that has a *specific* chemical composition Mineralogy The *study* of minerals All minerals have a ________ _________? Crystalline structure Rocks Naturally formed aggregates of minerals or mineral-like substances Atoms Smallest, electrically neutral assemblies of energy and matter than we know exist in the universe Nucleus Contains: 1. *Protons*- […]

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Geology/Minerals test=Menc

Deposition when rock pieces settle out of wind and water Streak the color of mineral’s powder lithosphere upper most part of the earth magma melted, molten rock lava liquid rock that reaches the Earth’s surface Inner core solid center of the earth, contains iron and nickel’ Fe, Ni outer core softer part of the core […]

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APES Geology Test Questions/Answers

An advantage of recycling aluminum rather than disposing of it in landfills is that aluminum can be Produced from recycled metal using much less energy than is required for its production from aluminum ore Which of the following natural events would be most likely to contribute to the cooling of Earth’s atmosphere? Volcanism Elements that […]

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Earth Science Chapter 9

Precambrian Time the interval of time in the geologic time scale from Earth’s formation to the beginning of the Paleozoic era, from 4.6 billion to 542 million years ago. It contains the first three eons of Earth’s history. Mass Extinction an episode during which large numbers of species become extinct. Geologic Time Scale outlines the […]

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Geology Minerals Test/Chapter Four

which statement is correct all rocks are composed of minerals which of the following is not a characteristic of a mineral organic A crystalline rock is NOT likely to be formed from weathered fragments Which of the following would be true of most clastic rocks? contains different sized clasts The way in which a mineral […]

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Science Chapter 9 Answers

Precambrian time the interval of time in the geologic time scale from Earth’s formation to the beginning of the Paleozoic era, from 4.6 billion to 542 million years ago. It contains the first three eons of Earth’s history. Mass extinction an episode during which large numbers of species become extinct. Geologic time scale outlines the […]

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Geology Test Review

Pangea broke up at the end of which era? the mesozoic era Marble and quartzite are in which rock category? Metamorphic Which rocks indicate high grade(temp) or low grade (temp) metamorphism? index minerals. Slate to Schist to Gneiss Jovian planets are mostly made of what? Hydrogen and helium and ammonia Which is a ferromagnesian(dark) mineral […]

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ISP 203A Geological Times and Evolution Feb 28th

The geologic time scale chart Cambrian “explosion of life” First conclusive and successful (ie with modern living descendants today) form of complex life appear in the oceans at 540 Ma (millions of years) ago, and shortly thereafter The Cambrian oceanic life Common point between all groups described so far: they are invertebrates Many other complex […]

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Geology 100 Chapter 10 Study Guide

A radioactive isotope of the element potassium decays to produce argon. If the ratio of argon to potassium is found to be 7:1, how many half-lives have occurred? 3 half-lives An area of slightly dipping sedimentary rock layers has large inclusions and is intruded by an igneous dike. Apply the basic principles for determining relative […]

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ch 4 – Geology

fossil preserved remains or traces of organisms sedimentary rock made of hardened sediment mold hollow area in sediment shaped like an organism cast solid copy of the organism petrified fossils are fossils in which minerals replace all or an organism carbon film an extremely thin coating of carbon on rock trace fossils evidence of activities […]

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Chapter 8 Study Guide

What is a fossil? The preserves, remains, or traces of an organism. How do most fossils form? When living things die and are buried by sediments. The fossil record shows that life on Earth has changed of time.____ have found that older rocks contain____of organisms that are_____ than those alive today. Palenotologists, remains, simpler The […]

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GEO Ch 10 – Geology

A disconformity is a type of unconformity in which sedimentary rocks overlie either igneous or metamorphic rocks False – This is the definition of a nonconformity. A disconformity is a surface between parallel sedimentary beds of significantly different ages. Evidence of stream erosion or existence of a paleosol (ancient soil horizon) may help in recognizing […]

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Geology 101 Knapp 1

Scientific Method A general procedure by which scientists propose and test hypothesis that explain some aspect of how the physical universe works. 1) collecting data 2) formulating a hypothesis 3) testing the hypothesis 4) stating conclusions hypothesis A testable prediction, often implied by a theory geologic record the information preserved in rock that have formed […]

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Geology Test 2 Flashcard

Compaction and cementation of grains occurs during __________ lithification The breakdown of exposed rocks into small fragments and dissolved ions is termed ________ weathering Cemented shells of marine organisms form which kind of sedimentary rock? biochemical Which transport medium carries the largest particles? ice It is unusual for _________ to carry grains larger than sand […]

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Age of DInosaurs test 3

Cladogram Diagram that shows the evolutionary relationships among a group of organisms Apomorphy Derived character Synapomorphy shared derived characteristics Plesiomorphy An evolutionary trait that is homologous within a particular group of organisms but is not unique to members of that group (compare apomorphy) and therefore cannot be used as a diagnostic or defining character for […]

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Geology 2150 Mizzou Age of Dinosaurs Exam 2

Cambrian Explosion Appearance of macroscopic life Age of earth ~4.6 billion years Agnathids jaw-less fishes Examples of agnathids hagfish Ostracoderms extinct jawless fishes Gnathostomes jawed fishes Gnathostomes groups (four total) placoderms (armored fishes), acanthodians(spiny sharks), chondrichthyans(sharks and rays), osteichthyans(bony fish) Which gnathostome groups are extinct? (two total) placoderms and acanthodians Name the two sub-groups of […]

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Geology 101 Exam 2

Alluvial fan A gently sloping apron of sediment dropped by an ephemeral stream at the base of a mountain in arid or semi-arid regions Alluvium Sorted sediment deposited by a stream Annual probability The likelihood, expressed as a percentage, that an event (e.g., a flood of a given size) will happen in a given year […]

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Geology MINERALS: Physical Properties

asterism 6-sided star effect cleavage a very flat, smooth plane of natural breakage color first thing you see, but it’s the least reliable identifying characteristic; a mineral’s color depends on how much light is absorbed flourescence glows under black light (ghost story rock) fracture uneven breakage (also called irregular, conchoidal, or fibrous fracture) growth faces […]

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