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30 Cards in this Set
- Front
- Back
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What is sandstone?
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is the inorganic rock with grain size of 0.006-.2cm and is fine to coarse
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What is metaconglomerate?
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is the rock which has pebbles that maybe distorted or stretched
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when was the earliest bird found?
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it was found in the Jurassic period
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What density does the inner core have ?
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12.8 or 13.1
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What are the two minerals found in the inner core?
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iron and nickel
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As pressure increases density does what?
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increases
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Water does what when it freezes?
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expands.
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Mineral properties depends on what?
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The internal arrengement of the atoms
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What are the number one agent of erosion?
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Streams
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What is a Glacial sediment?
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They are unsorted, scratched and have u shaped valleys and can carry boulders.
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What is deposits are sorted, rounded, smooth, and has a v shaped valleys
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rivers
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What is the summer solsist?
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It is the longest day of the of the year and occurs on June 21st.
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What is spring Equinox?
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It occurs on March 21 and has 12 hours of day light.
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What do higher elevations result in
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cooler temperatures
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Wind belts from water are
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moist
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Warm ocean currents result in what type of temperature
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warmer
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cold ocean currents result in what type of temperature
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cooler
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Greenhouse gases absorb
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long wave radiation and carbon dioxide and water vapor
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p waves are blank then s waves
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faster
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p waves can travel through both
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solids and liquids
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s waves can travel threw
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solids
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carbon 14 dates
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recent , once living objects
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uranium - 238
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dates the oldest rocks
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geocentric
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Earth is the center of the universe
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Heliocentric
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the sun is the center of the universe
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How many days does it take for the moon to orbit the earth
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27 days
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What is a Lunar Eclipse
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it is when the earth is between the sun and the moon
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A triangle is the symbol for
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Hail
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As temperature increases density
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decreases
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A sphere is
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The best model of the Earth's shape
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