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Mrs. Buaron’s Brags February 2015 Practice for PARCC Science Scene As you know, the PARCC test for fifth grade students will be the week of March 9, while the sixth grade PARCC will be the week of March 16. The students have been practicing all year for this assessment, starting with the grade four online practice test and working up to the questions on grade level. They have learned about the test format, as well as the tools available to them. They have even been able to personalize how the test looks as part of their personal needs profile (PNP). There are two sections to the PARCC. Part one disallows the use of a calculator while part two permits students access. They are allowed to use either the calculator on the tool bar or a four operation calculator, which will be provided by the teacher in charge. The PARCC will be given in two parts. The PBA or performance based assessment is the one scheduled for March. There is also an EOY, end of the year assessment, scheduled for May. Science students study the layers of the Earth in creative ways this month. Scientists believe that the Earth is made of four main layers, which get hotter and denser towards the center. The crust is where we live. Primarily made of rock, the crust is covered with dirt and water. The oceans and continents are located on the crust. The mantle is divided into two sections, the upper mantle pairs with the crust, forming the lithosphere. This is broken into plates, which is our next area of study. The lower mantle, also called the asthenosphere, is made of molten rock. This is where convection occurs, causing plate tectonics. The outer core is next. This is the only liquid layer, but it is made of iron and nickel Scientists studied earthquake waves, which react differently to liquids and solids, to find out this information. The inner core is the deepest and hottest layer. It is also made of iron and nickel, but unlike the outer core, it is a solid. Scientists believe that this is from the extreme pressure found in the middle of the Earth. Learn more about the Earth’s layers by following these links. Figure 1: Partnership for Assessment of Readiness for College and Careers Science Monster The Earth Inside at Colorado.edu Test yourself with these games. Label the layers at Purpose Game Science labeling game at Miss Maggie © 2007 by Education World®. Education World grants users permission to reproduce this work sheet for educational purposes only. 1