Summary: Geoscience
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Read the summary and the most important questions on geoscience
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exam 1
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forcing a pipe into sea floor to dig up sediment is a process called
core sampling -
the volcanic outgassing rose from the earth from partial melting of the earth's interior, became the earth's water is known as the
iron catastrophe -
data gathering that is done objectively and not subjectively and in measurements is called
observation -
a body of knowledge acquired via the scientific method is
science -
what are the scientific methods of investigation
1.observation (data gathering)
2.generation of hypothesis
3.test hypothesis (experiments)
4.theory emerges (evaluation) -
dating the earth by counting the sediment layers from the deepest sea floor and up is called
radiometric dating -
radiometric dating starts where on the ocean floor
at the youngest spot, the mid valley ridge -
an idea/hypothesis that has been formulated and tested over decades is called a
theory -
a pure substance comprised of atoms w/ same # of protons is a
element -
an event of decaying radioactive isotopes is called
radioactive decay
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