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30 Cards in this Set

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  • Back
a fragment from an explosive volcanic eruption

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
lacking olivine

make up much of the oceanic crust
a dark-colored, fine-grained, silica-rich volcanic rock (2nd most abundant volcanic rock)
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
the process that turns loose sediments into rock

kinda like lithification
a sedimentary rock made mainly from calcite (or lime); magnesium carbonate
a rock made by the metamorphism of limestone
carboniferous period
355 mya
amphibians are abundant
first reptiles evolve from amphibians
glaciation of gondwanaland
permian period
290 mya
conifers replace tree ferns
reptiles diversify
deserts are widespread
triassic period
250 mya
mammals appear
seed-bearing plants dominate
jurassic period
205 mya
dinosaurs abundant
archaeopteryx, the earliest known bird, evolves from reptiles
Pangaea splits up
cretacious period
135 mya
flowering plants and small land mammals appear
dinosaurs die out
oil and gas deposits form
teritiary period
66 mya
large mammals apear
primates evolve and grasslands expand
Himalayas and Grand Canyon form
Quaternary period
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
beryllium aluminum silicate
biological term for programmed cell death:
Plant tissues are genreally divided itno four main types:
dermal, vascular, ground, meristematic
Total angular distance in degrees over a sphere
How many half-moons are there in a lunar cycle
Who discovered the neutron?
Sir James Chadwick
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