2011年9月25日星期日

Earth Science Regents Tutorials 02

Part A --Multiple-ChoiceA multiple-choice question offers several answers from which you choose the one that best answers the question or completes the statement. Part A of the exam focuses on earth science content and represents 30-40 percent of the examination.Part B1 --Multiple-ChoiceThis section of Part B consists of multiple-choice questions as described in Part A. The combined sections of Part B (multiple-choice plus constructed-response) represent 25-35 percent of the examination.Part B2 --Constructed-ResponseIn a constructed-response question there is no list of choices from which to choose an answer; rather you are required to provide the answer. Constructed-response questions test skills ranging from constructing graphs or topographical maps to formulating hypotheses, evaluating experimental designs, and drawing conclusions based upon data. The combined sections of Part B represent 25-35 percent of the examination.

Part C --Extended Constructed-ResponseThese are constructed-response questions that require more time (15-20 minutes per item) and effort on your part to answer. These questions require you to apply your earth science knowledge and skills to real-world problems and applications. Part C represents 15-25 percent of the examination.Station 1 .. IdentificationUsing a mineral identification kit and key, the student will determine the characteristics of two mineral samples and identify each sample by name.Station 2 .. ClassificationUsing rock identification charts, the student will classify two rock samples as igneous, sedimentary, or metamorphic and state the reason for each classification, in one or more complete sentences.Station 3 ..

Angular MeasurementUsing a plastic hemisphere that models the apparrent path of the Sun, an external protractor, a ruler, and masking tape, the studetn will locate the position of the Sun at a given time and measure the distance between that position and a fixed point.Station 4 .. Mass--DensityUsing a single-pan, triple-beam decigram balance, a minerl density chart, and a calculator, the student will find the density, determine the mass, and calculate the volume of a given mineral sample.Station 5 .. Setting TimeUsing a column of fluid, three sizes of plastic particles of the same density, a stopwatch , and a calculator, the student will determine the average settling time for each of the three sizes of particles.Station 6 ..

GraphingUsing data obtained from Station 5, the student will construct a line graph of average settling time versus particle diameter and will determine the settling time for another given particle diameter.What Topics are covered on the Earth Science Regents Exam?All the questions on the Earth Science Regents exam will test major understandings, skills, and real-world applications drawn from the following 8 subject areas:1. Size, Shape, and Composition of Earth2. Mapping3. Rocks and Minerals4. Weathering, Erosion, Deposition, and Landforms5. Earthquakes and Plate Tectonics6. Earth History7. Meteorology and Climate8. AstronomyHow do I review for the Earth Science Regents exam? Download Earth Science, Spanish and Physics Regents Tips and Tutorials Here Barrons Regents has everything you need to prepare for the Earth Science Regents online. You can take complete practice tests, or select questions by date or by topic. When you are finished with the Regents prep test, you'll get immediate feedback, grade, including Earth Science Regents answers with full explanations. Instant results pinpoint your strengths and weaknesses and let you know where you need to practice most. All information is saved on a personal database for future use and can be accessed from any computer with Internet connection.

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