Regents Review Physical Setting/Earth Science Mrs. Duffy Henninger High School Syracuse, NY.
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Transcript of Regents Review Physical Setting/Earth Science Mrs. Duffy Henninger High School Syracuse, NY.
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Regents ReviewPhysical Setting/Earth Science
Mrs. DuffyHenninger High School
Syracuse, NY
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Be Prepared for Exam Day• Bring to test site:
– Identification (student ID, drivers license, etc)– 2 pens– 2 sharpened pencils– Functioning calculator
• Get a good nights sleep• Eat a good breakfast• Start studying now!!!!
Cell phones,iPods,
Gameboys,mp3 players,
etc.
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Review and Study Ideas• Review Books: local bookstore and library• Review Classes: school review classes and
peer study groups • On-line review sites:
– http://www.nysedregents.org/EarthScience/– http://regentsprep.org/Regents/earthsci/earthsci.
cfm• Practice a complete exam before test day
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Exam Format• Part A and B1– Multiple Choice
– Demonstrate understanding of scientific concepts and principles
• Part B2 – Constructed Response – Student provides the answer to the question
• Part C – Extended Constructed Response – Similar to Part B2 but requires more student time
and effort
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Tips for Multiple Choice Questions• Read the question and try to answer before
looking at the choices
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• Read the question and try to answer before looking at the choices
Tips for Multiple Choice Questions
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• Ask yourself if the ESRTs can be used• Make sure you know what is in the ESRTs
Tips for Multiple Choice Questions
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Dry Bulb: 2°CWet Bulb: -1° C
Difference: 3°
Answer: 51%
pg. 12 ESRTs
Tips for Multiple Choice Questions
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• Ask your yourself if the ESRTs can be used• Make sure you know what is in the ESRTs
Tips for Multiple Choice Questions
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• Look for and identify key words to help understand what the question is asking
Tips for Multiple Choice Questions
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• Eliminate obvious distracters
Tips for Multiple Choice Questions
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• Just because a choice may have some truth, it does not mean that it answers the question
Tips for Multiple Choice Questions
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Also…• Read all choices before answering a
question• Skip over hard questions for later• Information in one part of the test may be
helpful in other parts• Do not leave any answers blank -- if all else
fails, guess
Tips for Multiple Choice Questions
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• Contains multiple parts and/or steps• Requires you to develop your own response• Included on the exam to:
– assess your understanding rather than your memorization
– demonstrate your ability to solve problems and integrate data
– display your knowledge of skills such as graphing, calculating, and drawing isolines and profiles
Constructed Response Questions
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• Know what will be expected of you• Always include units in your answers • Make sure your answers match the form
asked for• Reply with complete, well constructed and
organized sentences when asked• Use your answer sheet for clues on how to
answer questions
Tips for Constructed Response Questions
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Constructed Response – Practice 1
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Constructed Response – Practice 1
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Constructed Response – Practice 1
AB
C
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Constructed Response – Practice 1
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Constructed Response – Practice 1
The water velocity decreases; or
The particles slow down and are deposited
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Constructed Response – Practice 2
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Constructed Response – Practice 2
pg. 13 ESRTs
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Constructed Response – Practice 2
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Constructed Response – Practice 2
pg. 13 ESRTs
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Constructed Response – Practice 2
1009.6
mT
rain
pg. 13 ESRTs
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Constructed Response – Practice 3
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Constructed Response – Practice 3
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Constructed Response – Practice 3
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Constructed Response – Practice 3
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Constructed Response – Practice 3
X
X
X
X
X
X
X
X
X
X
X
X
Don’t forget to label each mark
with an elevation!
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Constructed Response – Practice 3
X
X
X
X
X
X
X
X
X
X
X
X
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Constructed Response – Practice 3
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Constructed Response – Practice 3
gradient = change distance
gradient = 100 ft – 20
ft distance
pg. 1 ESRTs
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gradient = change distance
gradient = 80 feet distance
gradient = 80 feet distance
Constructed Response – Practice 3
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gradient = change distance
gradient = 80 feet distance
gradient = 80 feet 4 miles
Constructed Response – Practice 3
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gradient = change distance
gradient = 80 feet distance
gradient = 80 feet 4 miles
Constructed Response – Practice 3
20 feet/mile
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Constructed Response – Practice 3
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Constructed Response – Practice 3
• Streams flow from high elevation to low elevation
• “V’s” point upstream• The closer together the
contour lines are, the more change within that distance
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Constructed Response – Practice 3
southeast
• Streams flow from high elevation to low elevation
• “V’s” point upstream• The closer together the
contour lines are, the more change within that distance
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Constructed Response – Practice 3
southeast
The contour lines are close together
• Streams flow from high elevation to low elevation
• “V’s” point upstream• The closer together the
contour lines are, the more change within that distance
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Midpoint
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Earth Science Reference Tables
• Provided for all students to use during the written exam
• Be familiar with the ESRTs prior to exam• Some questions require the use of the
ESRTs, while for other questions, the ESRTs may be helpful
• Not all questions will prompt you to use the ESRTs
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Laboratory Performance Test
• Evaluate lab skills developed throughout the year
• Must be taken before the written exam• May count for approximately 15% of overall
test grade• Consists of three stations• Allotted 9 minutes to complete the tasks
associated with each station
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pg. 16 ESRTs Minerals• Mineral: naturally occurring substance with
a unique crystalline structure and chemical composition
• Identification based on: – Luster: metallic or non-metallic– Hardness: resistance to being scratched;
measured on the Mohs scale – Cleavage or fracture: how the mineral breaks– Streak: colored powder, if any, left behind after
mineral is rubbed on a surface– Acid test: bubbles result if calcium carbonate is
present
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pg. 6 ESRTs Igneous Rocks• Igneous rock: formed from cooled and
hardened magma (intrusive) or lava (extrusive)
• Intrusive: formed inside earth– coarse grained and large crystals (granite)
• Extrusive: formed outside earth– glassy appearance (obsidian)– vesicular: gas pockets (pumice)– fine grained and small crystals (basalt)
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Sedimentary Rocks
• Sedimentary rock: generally formed from compaction and cementation of smaller rocks and/or sediments
• Generally formed in aquatic environments• Key characteristics:
– Visible sediments or pieces of other rocks (such as sand, pebbles, silt, and cobbles)
– Fossils may be present
pg. 7 ESRTs
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Metamorphic Rocks
• Metamorphic rock: formed when existing rocks undergo intense heat and pressure
• Generally formed deep in lithosphere• Key characteristics:
– Foliation: thin layering due to mineral alignment
– Banding: type of foliation where minerals are separated into bands
pg. 7 ESRTs
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Elliptical Orbits and Eccentricity • Ellipse: oval; elongated circle with two
centers called foci – the shape of all planetary orbits in our solar system
• Eccentricity: degree of ovalnessFoci
Major Axis
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• Eccentricity is: – Never less than zero or greater than 1– Unitless – Rounded to the nearest thousandths (0.000)
pg. 1 ESRTs
Elliptical Orbits and Eccentricity • Eccentricity = distance between foci
length of major axis
length of major axis
distance between foci
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pg. 15 ESRTs
Elliptical Orbits and EccentricityRemember:• The ellipse represents the shape of the path
a planet travels around the sun• The sun is one of the two foci• The greater the eccentricity, the more oval
the ellipse
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• The elliptical shape of an orbit causes the distance from the sun to the planet to change
Elliptical Orbits and Eccentricity
• When a planet is close to the sun:– Gravitational attraction
increases– Apparent diameter increases– Orbital velocity increases
• When a planet is far from the sun:– Gravitational attraction
decreases– Apparent diameter decreases– Orbital velocity decreases
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Earthquakes and Epicenters• Epicenter: location on earth’s surface
directly above the focus (where the earthquake originates)
• Distance to the epicenter can be determined if the travel times of the P- and S-waves are known
• Lagtime: difference in travel time between the P- and S-waves
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Earthquakes and Epicenters
lag time: 6 min
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pg. 11 ESRTsEarthquakes and Epicenters
Lag time: 6 minutes
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pg. 11 ESRTs
Lag time: 6 minutes
Earthquakes and Epicenters
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Lag time: 6 minutes
pg. 11 ESRTsEarthquakes and Epicenters
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Lag time: 6 minutes
4,400 km
pg. 11 ESRTsEarthquakes and Epicenters
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Earthquakes and Epicenters
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Earthquakes and Epicenters• To locate the earthquake’s epicenter, a
minimum of three seismic stations are needed
• With one station, there are many possible epicenters
Station 1
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Earthquakes and Epicenters• With two stations, there are only two
possible epicenters
Station 1
Station 2
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Earthquakes and Epicenters• With three stations, there is only one
possible epicenters
Station 1
Station 2
Station 3
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In Summary…• Be prepared for test day
– Get supplies together the night before– Get a good nights sleep and breakfast
• Start studying now• If you don’t understand a topic, ask for help before
the test• Practice test taking strategies• During the exam: Take your time and read carefully• Check your work if time is left• Relax and take a deep breath!