SB
Terms
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- pyroclast
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a fragment from an explosive volcanic eruption
"fire-broken" - basalt
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a dark-colored, fine-grained volcanic rock
about 80% of all volcanic rocks are basalt
made mainly from plagioclase feldspar and augite (w or w/0 olivine) - tholeiitic basalts
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lacking olivine
make up much of the oceanic crust - andesite
- a dark-colored, fine-grained, silica-rich volcanic rock (2nd most abundant volcanic rock)
- granite
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a light-colored, coarse-grained igneous rock
most common plutonic rock
aplite: finer grained
pegmatite: coarse grained
coarse grained equivalent of rhyolite
made largely of quartz; orthoclase; plagioclase feldspar; little biotite or muscovite mica - diagenesis
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the process that turns loose sediments into rock
kinda like lithification - limestone
- a sedimentary rock made mainly from calcite (or lime); magnesium carbonate
- marble
- a rock made by the metamorphism of limestone
- carboniferous period
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355 mya
amphibians are abundant
first reptiles evolve from amphibians
glaciation of gondwanaland - permian period
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290 mya
conifers replace tree ferns
reptiles diversify
deserts are widespread - triassic period
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250 mya
mammals appear
seed-bearing plants dominate - jurassic period
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205 mya
dinosaurs abundant
archaeopteryx, the earliest known bird, evolves from reptiles
Pangaea splits up - cretacious period
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135 mya
flowering plants and small land mammals appear
dinosaurs die out
oil and gas deposits form - teritiary period
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66 mya
large mammals apear
primates evolve and grasslands expand
Himalayas and Grand Canyon form - Quaternary period
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repeated ice ages
N & S Am join together
Vertebrates evolve rapidly as habitats change frequently
modern humans (homo sapiens) appear - emerald is the green cyrstalline form of what common mineral
-
beryl
beryllium aluminum silicate - biological term for programmed cell death:
- apoptosis
- Plant tissues are genreally divided itno four main types:
- dermal, vascular, ground, meristematic
- Total angular distance in degrees over a sphere
- 360
- How many half-moons are there in a lunar cycle
- 2
- Who discovered the neutron?
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Sir James Chadwick
1932 - What was the name of the first U.S. space shuttle to fly in space?
- Space shuttle Columbia launched in 1981
- Salicylic acid—the chief ingredient in aspirin—is derived from the bark of what tree?
- the willow tree
- How much money would you earn for solving the mathematical problem known as the Riemann hypothesis?
- There is a $1-million prize for the solution to the Riemann hypothesis
- What is an ichthyosaur?
- fishlike lizard that inhabited the Mesozoic oceans between 250 and 90 million years ago
- What color is the element fluorine?
- Flourine is a pale yellow
- In what year was the computer mouse invented?
- Douglas Engelbart invented the computer mouse in1964
- Where are a cricket's hearing apparatuses located?
- A cricket's ears are just below the "knees" of its front legs. They consist of openings in the exoskeleton that lead to chambers inside the leg
- Which country has the smallest population?
- Vatican City has fewer than 1,000 residents
- Which metal has the highest melting point?
- Tungsten melts at 6,188 degrees Fahrenheit