Name______KEY______

282 WAYS TO PASS THE EARTH SCIENCE REGENTS

  1. Observations are facts derived from the environment by using the five senses. Ex: The book is yellowish.
  2. In inferences are conclusions or predictions based on your observations. Ex: The rock is old.
  3. Your senses can be extended (made more precise) by using instruments. Ex: The book is 22cm.
  4. Classification is organizing observations in a meaningful way. Ex: The book is science fiction.
  5. Mass- the amount of ___matter______in an object.
  6. Volume- the amount of ____space______an object occupies.
  7. The ___density_____ of any given substance will remain the same regardless of the size, shape, or mass of the sample.
  8. As the pressure increases, the density of a substance will ___increase______.
  9. As the temperature increases, the density ___decrease______.
  10. Water expands when it __freezes______causing density to ____decrease_______.
  11. Most changes are ___cyclic______, which means that they are predictable (repeating pattern).
  12. Dynamic Equilibrium means __changes_____ are occurring but overall they ___balance______out.
  13. Most substances are densest as a ___solid______.
  14. Water is densest at __4___ degrees Celsius, when it is a ___liquid______.
  15. Objects more dense than water _____sink______, less dense will ___float______.
  16. Because the Earth bulges slightly at the equator and is slightly flattened at the poles it is called an ___oblate______spheroid______.
  17. The equatorial diameter is ___greater______than the polar diameter.
  18. A person would weigh slightly _ more___ at the poles because he/she is __closer______to the center of the Earth.
  19. The best model of the Earth’s shape is a __Perfect sphere (ping-pong ball)______.
  20. Evidence for a round earth: photos from space (best evidence), ships disappear slowly over the horizon, Earth’s shadow on the moon is curved (lunar eclipse), Polaris = latitude, gravity measurements are difference.
  21. The altitude of Polaris (North Star) above the horizon is the same as the observer’s __latitude______.
  22. Polaris is located above the Earth’s ___axis______of ______rotation______.
  23. You can only see Polaris in the ___northern ______hemisphere –always have to look __north_____ to see Polaris.
  24. As a persons latitude increases, the altitude of Polaris ___increases______.
  25. If you’re at 90°N, then Polaris is _90◦__ above the horizon- If you are at 0° then Polaris is _0_° .
  26. ___Latitude____ Lines run left to right (horizontal) but measures distances __north______and ___south_____ of the equator.
  27. ____Longitude______Lines run up and down (vertically) but measure east and west of the Prime Meridian.
  28. Approximate latitude of NY is _41___ to 45°N, 72 to __79__°W.
  29. Longitude is based on earth’s rotation of 15°/hr and the sun’s apparent motion.
  30. If you travel west time becomes less, if you travel east, time will increase!
  31. The closer the isolines (contour, isobar, isotherm) the ____greater (steeper)______the slope (gradient).
  32. Contour lines always bend at a stream forming a “V” that points in the opposite direction of flow.
  33. Contour Interval – the elevation increase between two contour lines, Ocean/ sea level = 0.
  34. Streams always flow from ___high______to___low______elevation.
  35. Hydrosphere = water (oceans) Lithosphere = Crust (continental/oceanic) Atmosphere = Layers of gasses.
  36. Apparent diameter of objects (sun, moon) gets larger when _____closer______to earth.
  37. The red shift (Doppler Effect) and cosmic background radiation is evidence for the Big Bang Theory
  38. Light from distant galaxies show a shift to the ___red______end of the visible spectrum, which is evidence that the universe is ____expanding______.

Our Solar System

  1. Our sun is a medium size (Main Sequence) star in the galaxy called the _Milky Way______.
  2. Most stars spend a majority of their life as an average ___main sequence___ star. P. 15
  3. Our sun will eventually swell up to be a red giant then shrink down into a white dwarf.
  4. Star get their energy from __nuclear fusion_(4 hydrogen into 1 helium)
  5. The theory of the formation of the universe is called the __Big Bang_____ theory.
  6. The inner Terrestrial (rocky) planets are composed of ____solid rock____and have ____high______average density.
  7. The outer Jovian (gaseous) planets are composed of ___gas______and have ____low_____ average density.
  8. Stars like the Sun appear to move at __15°____ per hour because the earth ____rotates_____ 15 degrees per hour.
  9. The only star that does not appear to move is _____Polaris______because it is located directly above the Earth’s _axis______of____rotation______.
  10. The earth _____rotates______from west to east (24 hours) at a rate of _15° __ degrees per hour.“Right Hand Rule”
  11. The earth ______revolves______around the sun (365 1/4) days.)
  12. All celestial objects appear to move from ___east_____ to ___west__.
  13. The moon has phases because it ____revolves___ around the __earth___.
  14. Eclipses only occur at the ____new______and full moon phases.
  15. A lunar eclipse is when the ____full moon_____ is blocked out.
  16. A solar eclipse is when the ____sunlight______is blocked out.
  17. Earth’s seasons are caused by 1. ____Earth’s revolution around sun____

2.______Tilt ___ of the Earth’s Axis

3.______Parallelism______of the Earth’s Axis

56. Evidence of Earth’s revolution around the Sun is the changing ____seasons___ and _____constellations ______throughout the year,

57. Summer solstice is on ____June 21______.

  • The ___northern______hemisphere is tilted toward the Sun.
  • The direct (perpendicular) rays of the sun hit the Tropic of ___Cancer______.
  • Sun rise is __north_____ of east, and sunset is ___north_____ of the west.

58. Winter solstice is on __December 21______.

  • The _southern______hemisphere is tilted towards the sun.
  • The direct (perpendicular) rays of the sun hit the Tropic of ___Capricorn___.
  • Sun rise is ___south____ of east, and sunset is ___south_____ of west.

59. Equinoxes are ___March 21_____ and __September 23______.

  • The direct (perpendicular) rays hit the ______equator______.
  • The sun rise_____due east____ and sets ___due west_ on the equinoxes.

60. Duration of insulation = ___12_____hours on the equinox.

61. The three important locations that receive the direct/perpendicular rays of the sun are:
_____Tropic of Cancer 23.5 N______,____Equator 0°__,______Tropic of Capricorn 23.5 S°____

62. Greatest angle of insolation/perpendicular/vertical rays of the Sun (overhead sun) can only occur

between __23.5° _____°N & ___23.5° ____°S.

  1. The maximum duration of insolation is __24____ hrs.
  2. The greatest duration of insolation can only occur at __90___°N or ___90__°S
  3. The largest angle of insolation is __90____ degrees.
  4. As the sun’s angle of insolation increases, the sun’s intensity ____increases______.
  5. The equator always has __12____ hours of daylight.
  6. The higher the altitude of the sun, the ______shorter______the shadow.
  7. Shadows are the longest at ___sunrise/sunset_____ (time of day). And the shortest at ___noon______.
  8. Noon shadows are the shortest in NY on ____June 21____(date). Longest on __December 21_____(date)
  9. In NY, an observer must always look ___south_____ to see the sun at noon.
  10. The sun is ____never_____ at an observer’s zenith (90 degrees) in NY.
  11. Winds, ocean currents and anything else moving across Earth are deflected (curve) because of the ___Coriolis Effect.
  1. Foucault’s pendulum and Coriolis effect is evidence that the Earth ____Rotates.
  2. Changing Seasons and Constellations is evidence that the Earth _____Revolves.
  3. The Earth is closer to the sun during the ____winter______season.
  4. Perihelion – earth is ___closest______to the sun.
  5. Aphelion – earth is ____farthest away______to the sun.
  6. The closer a planet is to the sun, the ______faster____ its velocity as its orbits.
  7. The closer a planet is to the sun, the ______stronger______the gravitational attraction.
  8. Gravity is greatest when the mass of objects are _____large____ and the distance between them is ____close______.
  9. Tides are caused by the _____moon’s_____ gravitational attraction.
  10. There are ____2____ high tides, and ___2______low tides per day (12.5 hours apart)- a cyclic pattern.
  11. Our solar system is located ¾ the way down one of the spiral arms of our galaxy- the ____Milky Way____.
  12. A _____galaxy______is a cluster of 100-200 billion stars.
  13. The following is in _____decreasing_____ size and age order: Universe, Galaxy, Solar system, Earth.
  14. _____Geocentric______model is earth centered. Everything revolves around the earth.
  15. ______Heliocentric______model is sun centered. Planets revolve around the sun.
  16. All planets orbit in ______elliptical______(shaped) orbits with the _____sun______at one foci.
  17. The farther from the Sun the _____slower______the orbital path.
  18. As the distance between foci increases, the eccentricity ______increases (closer to 1)_____.
  19. The more ___circular_____ the orbit the less eccentric/elliptical it is.
  20. The closer the eccentricity is to 0 the more ____circular______, the closer it is to 1 the more ___eccentric______the orbit is.
  21. The earth’s orbit is extremely round, almost perfect, but it is slightly elliptical, see ESRT pg 15.
  22. The color _____black_____ absorbs, while _____white____ reflects energy.
  23. Smooth/shiny surfaces ______reflect_ more radiation, and rough dull surfaces _____absorb_____more radiation.
  24. ______Conduction______transfers energy by direct contact (molecules collide).
  1. Convection- heat transfers due to ____density_____ differences. (gases and liquids.)
  2. Hot air and liquids__expand__ because they are _less__ dense and __rise____.
  3. When air is heated it becomes ______less_____ dense and ______rises______.
  4. Radiation – transfer of energy in the form of electromagnetic ___waves______.
  5. Electromagnetic energy is categorized based on ____wavelength___. (pg 14 ESRT)
  6. The portion of the sun’s electromagnetic energy that reaches the Earth’s surface with the maximum intensity is ______visible light______.
  7. The ozone is found in the ____stratosphere____ layer of the atmosphere and absorbs harmful rays known as __ultra violet______.
  8. When electromagnetic waves are bent due to density differences it’s called ______refraction_____.
  9. As the amount of aerosols in the atmosphere increases, the amount of the insolation reaching the earth ______decreases_____.
  10. Earth received mainly short wave ____visible____ during the day and later reradiates this energy back into space as _____infrared energy ______waves (heat energy).
  11. Infrared heat energy is absorbed by two gases ____Carbon dioxide__ and ____water vapor__ (green house gasses).
  12. As the amount of Carbon dioxide increase, the temperature of the earth ______increases______.
  13. Objects radiate the most amount of energy when their temperatures are ______high______.
  14. Energy moves from the source to sink, or from ___high______to ____low______.
  15. Most of the energy that drives surface process come from the ___sun______.
  16. ____Kinetic______energy is energy of motion.
  17. _____Potential______energy is stored energy or “energy of position”.
  18. There is NO ____temperature_____ change during a phase change.
  19. Use the ESRT to see which process release energy and which processes gain energy (front page.)
  20. ____Infrared______is heat energy that is re-radiated by the earth.
  21. Land heats up __quicker______than liquid water because it has a __lower______specific heat.
  22. The higher the specific heat the ____slower______it takes to heat up and cool down.
  23. Good absorbers of radiation are also good _____radiators______.
  24. The hottest time of the year is ___July______(approx date), which is after the angle of insolation (6/21)
  25. Hottest part of the day is ____2-3 o’clock_____(approx time) which is after the greatest angle of insolation (noon).
  26. As altitude increases, air pressure _____decreases______.
  27. Air Pressure or Barometric Pressure is caused by weight of the air (Barometer measures Air Pressure.)
  28. As altitude increases, the amount of water vapor ___decreases______.
  29. The greatest amount of water vapor is found in the ___troposphere______(layer of atmosphere.)
  30. The greatest atmospheric pressure occurs in the ___troposphere______(layer of the atmosphere.)
  31. As temperature increases, density of air ____decreases______.
  32. As temperature increases, air pressure ______decreases______.
  33. As moisture content increases (humidity), air pressure ___decreases______.
  34. AS temperature increases, the moisture holding capacity of the air ___increases______.
  35. High pressure systems are associated with __fair______weather conditions.
  36. Low pressure systems are associated with __rainy______weather conditions.
  37. In Low pressure systems winds blow ___inward__ and __counterclockwise______(L.I.C.C.)
  38. In high pressure systems winds blow ___outward______and _____clockwise______(H.O.C.)
  39. At the center of a low pressure center, air __rises______and ___converges______(Low-CO)
  40. At the center of a high pressure center air ___sinks______and ___diverges______(High-DI)
  41. The highest pressure is ___cool____ and ___dry______. Air pressure is lowest when it is ___warm ___and ______wet____.
  42. Winds blow due to difference in ______air pressure______.
  43. The more closely spaced the isobars the _____faster______the wind speed.
  44. Wind blows from regions of _____high______to _____low______pressure.
  45. Winds are named for the direction they are ______coming FROM______.
  46. Weather patterns (in the U.S.) move from ______west_____ to ______east______, because we are located in the ______prevailing westerlies_____ planetary wind belt.
  47. Cold Front ( Warm Front
  48. Fronts are associated with _____low______pressure. Clouds and precipitation.
  49. A front is a boundary between 2 air masses.
  50. When warm air rises, it ______expands___, ______cools____ and ______condenses_____. (R.E.C.C.)
  51. In order for clouds to form, the air needs to be _____saturated____ and ___condensation nuclei_____ must be available.
  52. The closer the air temperature is to the dew point the ______higher______the relative humidity and the greater the chance for ______precipitation______.
  53. Air mass characteristics (temp. moisture) are determined by the ______source region______.
  54. The mT air mass that affect NY’s weather is ______moist______and ______warm_____ and forms over the ______Gulf of Mexico_____.
  55. cP air masses are ______dry______and _____cold____ and form over _____Central Canada______.
  56. Relative humidity – a percentage of the amount of moisture in the air to the maximum amount it can hold.
  57. Saturation – When the air is holding the ______maximum_____ amount of water it can hold.
  58. Dew Point temperature – Temperature at which ______condensation______occurs (air is saturated.)
  59. When the air temperature equals the dew point temperature relative humidity is _____mass______.
  1. When the air temperature approaches the dew point temperature relative humidity is ____100%______.
  2. Precipitation ______decreases_____ pollution and ______increases___ atmospheric transparency.
  3. Dry, hot and windy conditions _____increase______the rate of evaporation.
  4. Tornadoes – short lived (a minute or less) small in size- get in the basement!
  5. Hurricanes – Low Pressure systems- last days, very large, high winds, - evacuate – stock pile food/ water, batteries, etc.
  1. Hurricanes get their energy from warm ocean water mT air mass, die over land, know hurricane track.
  2. The rate of evaporation increases when surface area ______increases______.
  3. As particle size increases, permeability ______increases______.
  4. Porosity (percentage of empty pore spaces) does not depend on ______particle size______.
  5. ______Smallest______particles retain the most water after infiltration.
  6. As the slope of the land increases, runoff ______increases______.
  7. Runoff ______increases______when a surface is impermeable, saturated, steeply sloped.
  8. In order for infiltration to occur the ground needs to be ______unsaturated____ and ______permeable______.
  9. If the rate of precipitation is greater than the rate of infiltration, ______runoff______will occur.
  10. Capillarity (movement of water upward against gravity) increases when particle size ______decreases____.
  11. Transpiration- process by which living plants release water vapor to atmosphere.
  12. The amount of Ep (potential evapotranspiration) depends on _____temperature______.
  13. Large bodies of water ______moderates______temperatures.
  14. During the day there is a ______sea______breeze. At night a ______land____ breeze develops.
  15. Continental climates = ____large___ temperature range. Cooler____winters______and warmer __summers___.
  16. Marine climates = _____small____ temperature range. Cooler ______summers and warmer ____winters____.
  17. The windward side of a mountain is ____cool______and ____wet___. The leeward side is
    ____warm_____ and ______dry_____. (Label the diagram, what happens to the air as it rises and sinks on either side of the mountain?)
  18. Ocean currents are caused by _____wind______., and are deflected due to the ___Coriolis Effect____
  19. As latitude increases, temperature ______decreases______.
  20. As elevation increases, temperature ______decreases______.
  21. ______Gravity______is the force behind all erosion.
  22. ______Running Water______is the primary agent of erosion.
  23. Stream velocity depends on ______gradient______and ______volume (discharge)______.
  24. The size of the particle transported depends on the stream’s _____velocity______.
  25. Heavy-dense-round particles settle ______first______in water.
  26. Graded bedding (vertical sorting) _____large______sediments are on the bottom.
  27. Glacial sediments are ______unsorted______, scratched and form ______“U”______shaped valleys.
  28. Stream deposits are ______sorted______, round, and form _____“V”______shaped valleys.
  29. Rocks are classified based on ______origin (how they are formed)______.
  30. Igneous rocks form from the ____solidification______(crystallization) of molten material (lava or magma.)
  31. Igneous exhibit intergrown/interlocking mineral crystals.
  32. Vesicular texture – gas pockets (porous). An example would be the rock ______Pumice, Scoria, etc______.
  33. If an igneous rock cools extremely fast, the rock will exhibit a ______glassy_____ texture.
  34. When an igneous rock cools fast, ______small______crystals form.
  35. When an igneous rock cools slowly, ______large______crystals form.
  36. Intrusive = ______below______ground.
  37. Extrusive = ______above______ground.
  38. Mafic rocks are ____dark colored______with a ______high______density.
  39. Felsic rocks are ______light colored______with a ______low______density.
  40. Clastic sedimentary rocks are formed by the ______compaction____ and ______cementation____ of sediments.
  41. Bioclastic – form from the compaction and cementation of _____organic matter______.
  42. Crystalline sedimentary rocks form from the ______evaporation____ of water and ______precipitation______of dissolved mineral from a solution.
  43. Only rock type to contain fossils - ______sedimentary______.
  44. Metamorphic rocks from pre-existing rocks that have been altered due ___heat____ and/or___pressure______.
  45. _____Metamorphic______rocks may be foliated (banding.)
  46. Key words for Metamorphic rocks are ; foliation, re-crystallize, distorted structure.
  47. Mineral properties such as cleavage and hardness depend on the ______internal arrangement____ of the molecules.
  48. The most common mineral is _____quartz______(composed of silicon and oxygen.)
  49. Cleavage- the tendency for a mineral to break along ______smooth__,______flat____ surfaces.
  50. Hardness – the ______resistance______to being ______scratched_____.
  51. Weathering- Break down of rocks at the earth’s surface into ______sediments____.
  52. Sediments – broke down pieces of rock.
  53. Soil- mixture of weathered rock (sediments) and organic remains that cover bedrock.
  54. Chemical weathering dominates in _____warm______and______wet_____ climates.
  55. Physical weathering dominates in _____cold____ and ____wet______climates. (Good For Frost Wedging)
  56. As the particle size decreases, the rate of weathering will ______increases______.
  57. When particles are broken into smaller pieces, the surface area _____increases______.
  58. Sediments are classified based on their ______particle size__. (i.e. .02cm particles are sand)
  59. Erosion- _____movement______of sediments
  60. ______Gravity_____ is the ultimate force behind erosion.
  61. ______Running Water______is the primary agent of erosion.
  62. Dissolved mineral are carried in _____solution______.
  63. Silt/Clay colloids are carried by _____suspension______.
  64. Sand/ Pebbles slide and bounce along the bottom.
  65. As the velocity increases, the size of the sediments a stream can transport ______increases______.
  66. As the slope/gradient of a stream increases, the size of the sediments a stream can transport _____increases______.
  67. As the discharge (an amount of water in a stream) increases, velocity will ______increase______.
  68. The velocity of a stream is greatest on the ______outside___ of a meander (bend).
  69. Erosion occurs on the _____outside______of a meander where velocity is ____fast______.
  70. Deposition occurs on the _____inside______of a meander where velocity is ______slow______.
  71. _____Large______, ______dense______, ______Round_____, particles are the first to settle out of water as the water slows down. (Sorting Sediments)
  72. Sediments transported by water are _____round______and _____smooth______due to abrasion.
  73. Streams erode a _“V”____ shaped valley.
  74. Sediments deposited by glaciers are ______unsorted______, (all mixed up in size and shape.)
  75. Glaciers erode a __“U”__ shaped valley.
  76. After a glacier has moved through an area the bedrock is ______smooth___ and ______polished____ with parallel glacial striations (scratches).
  77. Wind deposits consist of fine grained well sorted particles (sand) particles exhibit a pitted/frosted appearance and cross bedded layers.
  78. Residual soil- developed from the bedrock below it- _____same______mineral composition as bedrock below.
  79. Transported soil- transported from another location- _____different______mineral composition than bedrock below.
  80. ______Longshore______drift moves sand along the beach in the direction of the ocean current.
  81. Folds, faults, ______tilts______provide evidence that the earth’s crust has moved.
  82. Earthquake is a sudden movement along a fault, usually happens at ______plate boundaries_____.
  83. ______Tsunamis______(tidal wave) caused by underwater earthquake.
  84. Fossils of marine life found at high elevation are evidence of ______uplift______.
  85. Evidence of continental drift (pangea) – The puzzle like appearance of the continents (South America/Africa) South America and Africa have same: fossils, rock layers. Climactic evidence (i.e. glacier in Africa?)
  86. Mid-Ocean ridges (spreading center) are areas where ______new crust______is being created as tectonic plates move apart.
  1. ______Divergent______plate boundary – Two plates move apart.
  2. ______Convergent______- two plates move toward one another.
  3. Proof of sea floor spreading -1- the age of the ocean floor is ______younger____ at the mid ocean ridges and gets _____older____ as you move away in either direction. 2. There is also a matching pattern of earth’s _____magnetic__ polarity on either side of the ridge.
  4. Inferences about Earth’s interior come from the study of ______seismic waves______.
  5. Earthquakes and volcanoes happen in the same spot, near ______plate boundaries______.
  6. ______Hot Spots______are not associated with plate boundaries –magma burns through plate = a series of islands (Hawaii).
  7. Continental crust is ______older______with a density of ______2.7 g/cm3______and is composed of ____granite______.
  8. Oceanic crust is ______younger___, with a density of ___3.0 g/cm3_____ and is composed of ___basalt____.
  9. When a continental plate collides with an oceanic plate the ______oceanic______plate subducts because it ______more______dense.