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The purpose of this study was to determine the effectiveness of the Teaching Games for Understanding (TGfU) method on fifth-grade students' motivation and physical fitness of elementary school at SDN 11 Sungai Sariak. This research used quantitative research with a quasi-experimental design involving 33 students. The instrument of research used observation sheets, questionnaires, field notes, and interviews. Data analysis used the frequency distribution and inferential analysis with independent t-test. Research results revealed that 1) there is a significant difference in students' motivation between TGfU class and conventional class, and 2) there are also significant differences in physical fitness between TGfU class and conventional class. The TGfU method can provide teaching activities with the inductive concept. It leads students to observe and solve the problem during the learning process by stimulating them with many activities. In conclusion, the TGfU method makes students proficient in sport, confident, and able to cooperate with their working group and be able to master all the techniques of the games.

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The aims of this study are to calculate the cooling load system on the auditorium space of Politeknik Negeri Lhokseumawe (PNL). This calculation is expected to contribute the energy savings is the system of air (STU). This study is conducting on the third floor of PNL, at the Auditorium venue. The cooling load system by using Cooling load temperature difference (CLTD) system based on ASHRAE Handbook Fundamental, 1993. The calculation of cooling load based on secondary date, and then the result was compared to cooling load installed capacities. The result of the research found that the maximum cooler burden at culminate condition is equal to 116957 Btu/hr (9,74 ton of refrigerant), While the installed refrigeration capacities is 61080 Btu/hr (5,09 ton of refrigerant), here fond a lacking (decreasing) of refrigeration burden equal to 55857 Btu/hr (4,65ton of refrigerant}. If the installed burden (load) as according to re-calculation result, hence thrift gap still can be obtained equal to 14%, by paring down the illumination of light; altering set temperature pint in room; minimizing SC (Shading of coefficient); and lessen of infiltrate external air.