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The potential of thin layer in many applications has led to research on the development of many new materials and their fabrication methods. This study aimed to synthesize a thin layer of ZnO using the facile and low-cost sol-gel spin coating method. The ZnO thin layer is deposited on a glass substrate and analyzed to observe the influence of the deposition variables such as heating and rotation speed, and its aging. The characterization methods include the identification of the formed phase using X-Ray Diffractometer (XRD), and the microstructure and elemental composition using Scanning Electron Microscopy (SEM) coupled with EDS (Energy Dispersive Spectrometer). The study shows that a thin layer of ZnO is successfully deposited on a glass substrate by heat treatment at temperatures of 300 oC and 500 oC. Furthermore, XRD reveals that higher heating temperatures result in higher diffraction peak intensity. At a heating temperature of 300 °C crystals are formed but are not yet perfectly oriented, while they are at 500 °C. On the other hand, higher spin coating rotation speed gives rise to lower intensity of diffraction peak. The ZnO crystallization is easier to form in the coating process with a lower rotation (1500 rpm). Interestingly, the thin layer is stable over time where there is no significant change in each sample, both in terms of intensity and width of the ZnO crystal peak. The results indicate that gel precursor aged less than two days can form ZnO crystals. Finally, SEM results show that the surface morphology of the ZnO layer heated at 500 oC has an average grain size of 300 nm. Based on the cross-sectional results of SEM shows that the higher the coating rotation speed has resulted the thinner of the ZnO layer, where the thickness of the resulting layer is on order >5 mm.

[Title: Test Press Concrete of Gold Processing Waste With Variation of Rice Husk Ash Composition]. Lightweight concrete has been made from waste raw materials processing of gold and ash husk of rice with cement as the supporting materials, foam, and ADT. The purposed light brick-making determined the density and compressive strength. Concrete light created by variations in waste processing of gold and ash husk of rice was respectively 10% LPE + 90% ASP, 25% + 75%, 50% + 50%, 75% + 25%, 100% + 0% (in% volume), hardening time for 11 days. Parameter test performed include density test and compressive strength test. Test results showed that the density and the compressive strength of lightweight concrete with a variation of plus gold processing waste and ash husk of rice, the amount of cement on the conditions remained and the drying time for 11 consecutive days, the density of 1.005 gr/cm3, 0.986 gr/cm3, 1.077 gr/cm3, 1.091 gr/cm3, 1.133 gr/cm3 and the compressive strength of 1.34 MPa, 1.16 MPa, 1.77 MPa, 1.03 MPa, 1.29 , The intensity of the density and the compressive strength was influenced by the amount of foam mix, rice husk ash and ADT.

[Title: The Effect of Cooperative Learning Model Type Make A Match with One Physical Ranking Game Toward Student Motivation and Learning Outcomes]. This study aims to determine the effect of cooperative learning model type make a macth with ranking one physical game on student motivation and learning outcomes. This research is quasi-experiment with pretest-posttest control group design. Population in this research is all students of class VII SMPN 2 Dompu which amounted to 124 people. Research sample consists of two classes that are class VII A which amounted to 30 people as control class and class VII B totalling 30 people as experimental class taken using random sampling technique. The results showed that homogeneity test and normality of learning motivation data and student learning outcomes were normally distributed and variance of both homogeneous data. This data is then analyzed using t-test, obtained tcount for learning motivation is 2,318 and ttable 2,002 or can be written mathematically is tcount> ttabel. While the learning results obtained tcount = 4.152 and ttabel = 2.002 or can be written mathematically is tcount> ttable at 5% significant level. The results of this study indicate that there is the influence of cooperative learning model type make a macth with ranking one physical game of student motivation and learning outcomes.

[Title: Development of Physics Student Worksheets Based on Image on Vibration and Waves Material]. Has conducted development research of media instruction in the form of Physics student worksheet (PSW) based image. This study aims to determine the eligibility of PSW based image subject matter of vibration and wave material in the class of VIII SMPN 4 Batukliang. Subjects in this study were students of class VIII SMPN 4 Batukliang the school year 2015/2016 amounting to 21 students. Methods of data collection in this study is the questionnaire. Eligibility test carried out by the validation by expert lecturers Mataram Teachers' Training College physical education and assessment by a physics teacher and students in a limited group test conducted at SMPN 4 Batukliang. The results of this development study found that the results of eligibility by expert lecturer percentage of 86.5%, then from teachers of eligibility obtained the percentage of 94%. The results based on the results of validation expert lecturers and showed a very good physics teacher. The response of the students was also very good with a percentage of 96.71% eligibility. Based on this analysis showed that the student worksheet physic-based image very decent used in the learning process.

[Title: Porosity Test and Compressive Strength of Lightweight Brick Based on Gold Processing Waste (LPE) with Banana Tree Filler (FPP)]. Lightweight concrete bricks are made from gold processing waste (LPE) and banana tree filler (FPP) with cement, foam, and clear water. The purpose of making light brick to know the value of porosity and value of compressive strength. Lightweight brick is made with gold processing waste (LPE) and banana tree filler (FPP) consecutively is 250 ml of LPE + 1 layer of FPP, 250 ml of LPE + 2 layers of FPP, 250 ml of LPE + 3 layers of FPP, 250 ml of LPE + 4 layers of FPP . Hardening time is carried out for 22 days in sunlight unspoiled. Tests performed include: density test, porosity test, and compressive strength test. From the test results showed that the porosity value and compressive strength of lightweight concrete bricks with gold processing waste plus the filler of banana trees with the amount of cement in the fixed condition and drying time for 22 consecutive days, the density value 1349, 09 kg / m3, 1290 kg / m3, 1121.6 kg / m3, 1168.3 kg / m3, 1254 kg / m3 and compressive strength value of 2.43 MPa, 1.25 MPa, 1.68 MPa, 2.13 MPa, 1.32 MPa. The high value of porosity and compressive strength value is influenced by the amount of mixture of foam, banana tree filler (FPP) and stirring method