Term
What are some test used to identify rocks?
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Definition
Scratch test, streak test, composition test, acid test, color test,
texture test, hardness test, luster test, tenacity test, density test,
cleavage/fracture test , and diaphaneity test (transparency) |
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Term
Use the images to name and describe two other types of rocks beside those included with the basic rock cycle.
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Definition
Geode - large visible crystals,
Jem stones – colorful crystal rocks
Fossil - calcified rocks
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Term
Where are intrusive and extrusive rocks formed?
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Definition
Rock formed by Magma. It occurs inside the earth
Rocks formed by Lava. It occurs outside the earth |
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Term
Name some careers that are associated with rocks?
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Definition
Paleontologist - studies the history of life on Earth, through examining fossils.
Geologist - scientist that study the origin, history, and structure of the earth.
Mineralogist - scientist that studies minerals.
seismologist - Scientist that studies earth quakes.
Petrologist - Scientist that studies the origin, history, occurrence, structure, chemical composition, and classification of rocks
Stratigraphers - The study of rock strata, especially the distribution, deposition, and age of sedimentary rocks.
Geomorphologists - Studies both land and ocean formation. |
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Term
What types of rocks are produced as a result of heat, pressure, and property change?
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Definition
Metamorphic rocks - Formed from preexisting rocks. |
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Term
What are some properties that are used to identify different types of rocks?
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Definition
Texture-touch - Course or Smooth
Density-heaviness- Hard or soft & float/sink
physical appearance/Color -Dark / light /layer
Composition- main mineral substance
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Term
Name a rock that contains small holes or pores?
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Definition
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Term
What are the three basic types of rocks?
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Definition
Igneous, sedimentary, and metamorphic
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Term
What is the pressure and heat intensity level that will determine the formation of metamorphic rocks?
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Definition
Low grade metamorphism – involves less intense pressure and heat.
High grade metamorphism – involves very high extreme pressure and heat.
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Term
What processes and steps are involved in the rock cycle?
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Definition
Melting, cooling, and solidification, weathering, erosion, and deposition,compaction and cementation, heat and pressure. Three processes and ten steps.
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Term
What type of rock is formed as a result of deposition, sedimentation, and cementation?
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Definition
Sedimentary rocks- formation of layered rocks |
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Term
Give an example of one parent rocks and its metamorphic new rock.
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Definition
Granite- gnesis- magmatite
Shale- slate-phyllite-
phyolite- schist
basalt-amphibolite
limestone-marble
sandstone-quartz
peat - coal - graphite |
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Term
What is a parent rock?
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Definition
Rock that existed before the formation of a metamorphic or sedimentary rock |
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Term
What does the rock cycle illustrates?
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Definition
The rock cycle illustrates how rocks are related, formed, and recycled. |
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Term
What is the correct rock cycle processing pattern?
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Definition
melting, cooling, and solidification: forms Igneous rock
weathering, erosion, and deposition, compaction and cementation, forms: Sedimentary rock
heat and pressure -forms: metamorphic rock |
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Term
Name some different ways that rocks are used?
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Definition
Rocks are used as medicine, flavoring, architectural design, cosmetic products, writing utensils, preservatives, soil treatment, purification and filtration, and energy resources.
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Term
What types of rocks form as a result of lava and magma cooling and crystallizing?
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Definition
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Term
What is a conglomerate rock?
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Definition
Contains small round pebbles and sand that are cemented together |
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Term
Name some scientists that study or work with rocks?
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Definition
August F. Foerste - First to describe in details various fossils.
Waverly J. Pearson - A Geophysicist and seismologist. First AfricanAmerican to serve at the Geological Survey's National Earthquake Information Center .
Florence Bascom - was the first woman to receive PhD in geology and the first to be hired by the United States Geological Survey.
Friedrich Mohs -German minerologist that introduced the scale of mineral hardness – Mohs scale.
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Term
Name, classify, describe, and compare three interesting rock that represent different stages of the rock cycle.
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Definition
Igneous - Pumice (Light, holes)
Sedimentary rock – Breccia ( sharp pebbles)
metamorphic rock - Phyllite ( clay, thin, dark)
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Term
What is the correct rock classification sequence?
Use the vocabulary terms: Clastic, chemical, extrusive, foliated, igneous rock, intrusive, metamorphic rock, non-foliated, rocks, and sedimentary rock to create a rock classification chart.
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Definition
Igneous rocks
(Intrusive) (Extrusive)
(magma) (lava)
Sedimentary rock
(Clastic) (Chemical)
(Weathering) ( minerals)
Metamorphic rock
(Foliated) (Non-foliated)
(visible layer) (nonvisable ) |
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