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1, 2:5, 6-Di-O-isopropylidene, Zncl2/H3Po3, TG & DTG

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Alkaline phosphatase, ALP, 3-Deoxy-3-C-ethoxycarbonylethylene-1, 2:5, 6-di-O-isopropylidene-α-D-ribohexofuranose, non competitive Inhibition

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:2-, 5-, 1, 3-dioxoisondolin-2-yl-1, 3, 4-thiadizole-2-yl thioacetohydrazide, phthalic anhydride, Schiff bases.

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The urgent need for investment in the oil sector was figured after 2003 because of the low daily production rates, as it did not exceed, at best, 2.5 million barrels per day. In addition, it is the only sector that flows money into the budget which represents the backbone and lifeblood of the economic life in Iraq.

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The purpose of the research was to determine the effect of teaching on presentations on the visual thinking skills of the second grade students in the sciences. "There was no statistically significant difference at the level of significance, 0.05 between the average scores of the experimental group who studied the presentations and the average scores of the control group students who studied the traditional method in the visual thinking skills test." The second term was used by the researcher in experimental design with partial control of the two equal groups, which contains experimental group and control group. According to this design, the researcher used the experimental design of the second grade in the middle of dawn of Islam, one of the governmental day schools under the Directorate of Education of Diwaniya for the academic year 2018-2019. The researcher randomly selected the experimental group which consisted of, 27 student studied the presentations. The division chose, A to represent the control group. It consisted of, 28 student who studied In the normal way. The two groups were equivalent in the variables: Age of Time, Intelligence and Test of Visual Thinking Skills. The researcher assigned the subject of the second part of the science book to the second intermediate grade and the number of behavioral purposes, cognitive, The research tool was prepared by the researcher to test the skills of visual thinking, consisting of, 30 paragraph of the type of multiple choice of four alternatives distributed on the following skills:, Figure and description of the shape, skill analysis of the form, Connecting relationships in form, Veracity and discrimination, the effectiveness of the wrong alternatives for its paragraphs, and the calculation of its stability using the Coder-Richardson equation, 20, where, 0.79 The study began on Sunday, February 24, 2019 and continued in the following weeks with five classes per week for each group. The actual teaching ended on Thursday, 2/5/2019 . The results of the SPSS-22 statistical test were then applied. The students of the experimental group who studied the presentations showed that the students in the control group studied the traditional method of testing the visual thinking skills. As a result, the researcher formulated a set of recommendations And proposals related to research result.

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