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Collection of resources on NASCAR-themed units on aerodynamics and energy by Scholastic. Each student will have a textbook to take home and use it free of cost and will get it back at the end of the academic year. According to scholars in the area, the following four lists are used to calculate index of student involvement for end of unit exercises (Dalim and Mubarrak, 2013; Mergo, 2012; Engida, 2005). Retrieved on Tuesday, December 03, 2013 from http://www.unesco.org/webworld/ramp/html/r8810e/r8810e04.htm. The index of student involvement for summaries at the end of units was found to be 0.45 and 0.4 for grade 7 and grade 8 textbooks, respectively. Learn about force and motion,... See free Content analysis is one of the research methods. This approach does not help students discover or construct their own idea. Many scholars indicated that textbooks are being used as a major source of information in teaching a particular subject, the quality and accuracy of the content is crucial for their educational effectiveness (Dalim and Mubarrak, 2013; Khine, 2008). The results revealed that learning objectives were stated in all the units in the textbooks. In addition, the figures, diagrams, and different drawings are colored; points that need due emphasis like definitions that represent minimum learning competencies, and activities are in blue background box. The review questions and problems presented do not demand applications to new situations rather they are grosses of mere arithmetic calculations. AJCE, 2012, 2(3). As for text narratives, the index value for students’ involvement for grade 7 and grade 8 textbooks is 0.2 and 0.3, respectively. In the above formula, lists a, b, c, and d are related to passive student learning whereas lists e, f, g, and h are considered as active student learning. Physics: Part I, textbook for grade 7 of the 7 year curriculum and middle school, Unknown Binding – January 1, 1950 by A. V PeÌ ryshkin (Author) See all formats and editions Hide other formats and editions. In this physics science project, you will investigate how far a ball bearing launched by a Gauss rifle will fly, depending on how many magnetic acceleration stages are in the setup and the ball bearing's initial velocity.… Text narratives are one of several aspects of textbooks. Retrieved on Wednesday, May 14, 2008 from http://www.ncrel.org/sdrs/areas/issues/content/cntareas/science/eric/eric-5.htm. Even if it was aimed at analyzing the different aspects of the textbooks, additional information was obtained from users of the textbooks through open-ended questioners to triangulate and support the data collected from coding of the textbooks. More emphasis is given for illustrative purpose and introducing materials, known individuals and physicist, and equipments. However, the other aspects of the textbooks were found to have limitations. Physics is one of the natural science subjects given as a linear subject starting from grade 7 to 12 in Ethiopian schools. Of course, there are several challenges to include many activities in textbooks in developing countries like Ethiopia where many students do not have access to other books and reference materials to read at home (MoE, 2002). The known physics educator Redish (2002) has also suggested that students going to study other sciences need to understand physics as part of their scientific education. The following formula is used for student involvement of activities: Where a=number of pages that have activities and b=total number of pages. The following formula is used to calculate the index of student involvement Is for summaries at the end of units: Where a=summaries that repeat the conclusions of the unit and summarizes the same idea from the texts. 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