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11 Cards in this Set
- Front
- Back
what is a hot spot?
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when material in the mantle that is not near a plate boundary heats and rises up to the crust warming the ocean floor and the water above it
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what is elastic limit?
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how much stress something can withstand b4 breaking
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what is a dormant/ inactive volcano
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a volcano that hasn't erupted in over 100 years, but has erupted in the oast 1000 years
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seismograph
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a weated pen that hangs over a rotating drum. when vibrations occur, they cause the pen to move back and forth making a long wavy line
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(volcanic) ash-
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tiny peices of debris and hot lava from an erupting volcano that fly/float through the air and fall to earth cavering many things
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how many times greater is an eq w/ anricter magn. of 2 than 5
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10^3
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how many seismagraph readings are needed to find the epicenter?
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at least 3
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name the steps of a lab write-up
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1)title
2)problem-what you'retrying to solve 3)hypothesis-educated guess 4)materials 5)procedure-be specific! 6)observations-data 7)analysis-trends/patterns 8)conclusion-summary |
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contrast mass vs. weight
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mass- amnt. of part.
doesn't change weight-changes w/ gravity not scientific how much gravity is pulling on the mass (e.g.)m=42 g. ------ g=9.8 m/s^2 to find it divide 42 by 9.8 |
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discribe a law
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always true;tested repeatedly and still holds true; relationship that occurs btwn. objects repeatedly
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name the three graphs
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circle- shows %
bar- compares line-showss relationships/trends btwn. variables (e.g.): change over time |