The aim of this research was to produce student worksheet with comprehensive intelligence based on PBL model’s on learning physics class X in SHS was valid. This research type using Research & Development (R & D). The subject of this research was teaching materials in the form of student worksheet 1, student worksheet 2 and student worksheet 3 validated by validator consisting of 3 lectu…
This study aims to test the validity of experimental devices and experimental devices with Rnd method. Validity test was conducted at the Learning Media Development Laboratory of Physics Education Study Program of Physics Education Department of PMIPA Faculty of Teacher Training and Education University of Riau. This research was conducted from April to June 2017. With 3 lecturers validator who…
This study aims to determine the validity of the development of physics-oriented learning device inquiry approach on thermodynamic materials class XI SMA based on curriculum 2013. Development of tools such as RPP, LKPD and test results learning. The research used in the form of observation method using validation instrument validated by validator, namely 2 lecturers physics FKIP UR and 2 people…
Biodiesel producted by transesterifiation reaction which on energy source. Biodiesel was developed in Indonesia as an anticipatis of energy crisis problem suppported by goverment national energy policy. This research is aimed to make biodiesel from cotton seed oil, studying the effect of agitation speed to the amount of biodiesel produced and determined the best catalyst activated by acid or ba…
This research aims to produce e-module based science literacy that is feasible to use. The subject of this research is e-module based science literacy on electromagnetic radiation lesson. This research used Research and Development method with type 4D. Stages of developing this e-module based science literacy include Define, Design, Develop, and Disseminate. The instrument used is the Science …
Chitosan is derived from chitin compound used in the biomedical field. Chitosan can be synthesized from ebi waste using chemical methods through the deproteinasi process, the demineralization process and the deacetylation process. The purpose this study is to determine the effect of temperature on the degree of deacetylation chitosan synthesis and to determine models that can describe the kinet…
The purpose of this study was to determine the increase in Physics Learning Outcomes class X SMA N 4 Pekanbaru using model Inquiry Training. The research was conducted of the month April 2017 to July 2017. The form of this study was Quasi Experimental Design with design Intact Group comparasion. The sample of research in class X1 and X2 with the number of students 38 and 37 students in SMA N 4 …
This study aims to determine the effect of learning inquiry training model on simple harmonic motion lessons to the students' science process skills in grade X SMA Negeri 1 Tualang. The type of this study was quasi experiment with Intact Group Comparison design and involved 1 control class and 1 experimental class consisting of 68 students. The instrument used in this research is a science skil…
This study aims to determine the misconception experienced by students in physics learning on static fluid material using Certain of Response Index (CRI) method at SMAN 7 Pekanbaru. This research was conducted from March to July 2017 with the subject of research is all students of class X in SMAN 7 Pekanbaru as many as 106 students. The type of research conducted is survey research. In this stu…
Palm fly ash is waste in the palm oil industry. Palm fly ash has high content of silica. ZSM-5 is one of synthetic zeolite which used as catalyst. It can be synthesized from silica and alumina using hidrothermal method. Source of silica that can be used to ZSM-% synthesis are sodium silicate, gelled silica and precipitated silica. the purpose of this research are to identify the effect of react…
The aim of this research was to produce module PIL (Physics, I’m in Love) based on simple experiment on material of light and optical was valid and suitable for use as a supplement Physics learning media for students. This research type using Research and Development (R&D) method with a model of the development was Four-D Model. The module was developed through four phases according to the d…
Hydroxyapatite is high biactive dan bioafinity ceramic materials. Hydroxyapatite also known osteoconductive, non-toxic, and non-immunogeic. So that there are many application of hydroxyapatite such as catalyst, fertilizer industry and pharmacy product, protein cromatography application, water treatment, bone and teeth repair. In this research, hydroxyapatite synthesised from PCC of chicken’s …
The purpose of this study is to describe the cognitive learning outcomes of student’s physics through the application of metacognitive strategies. The research method used is Pre-Experimental by using One Shot Case Study design. This research was conducted at SMAN 8 Pekanbaru in May 2016 until June 2017 with research subject at Class XII MIA 1 consisting of 35 students. The data in this study…
Chitin is a biopolymer, used for various fields like cosmetics, biomedical, porous material, absorbent of heavy metal, and dietary. The synthesized of chitin from ebi’s waste by deproteinization and demineralization process was investigated. The aims of this research is to determine the reaction kinetics of demineralization at isolation of chitin with variables of concentration of HCl and sti…
This study aims to determine the validity of the design of physics learning devices based on the model of problems posing based on the 2013 curriculum on class XI grade wave materials developed. The type of research used is Research and Development (R & D) with 4D model covering define, design, develop and disseminate stage. In this research is done until develop stage. Data collection was done…
This research purpose to synthesis biodiesel from calophyllum inophyllum oil by transesterification reaction using heterogeneous base catalyst Na2SiO3/iron powder. Catalyst was synthesized from fly ash palm oil which supported by iron powder. Synthesis biodiesel on transesterification reaction with the independent variables of this research variations is agitation rate of 200 rpm, 300 rpm and 4…
The purpose of this study is to improve student understanding about physic concept of fluid dynamic topic with implementation REACT strategy.There were 70 students of SHS 7 in XI IA2 and XI IA3 participated as research subject in this study. We used lesson plan and student worksheet of fluid dynamic as learning materials. The instrument that used to measure the level of understanding physic…
One alternative raw materials manufacture of high grade silica is using palm oil mill fly ash. This research aimed to study the effect of temperature process, time and the ratio mass of zeolite and obtain optimum conditions cation exchange process (Fe) in a solution of sodium silicate with raw material palm oil mill fly ash. Palm oil mill fly ash is heated using oven at 105° C for 24 hours. Th…
This research aims to determine students 'attitudes toward learning science in physics, know the score physics student learning outcomes and determine the relationship between students' attitudes toward science in the study of physics with a score of physics learning outcomes of students of class VIII SMPN 1 Reteh. The subject of this research is 157 students. This research used survey method f…
Organosolv pulping is the process of pulp making using organic solution. Utilization of perimping grass is still very limited. Perimping grass (Themeda gigantea) is a lignocellulosic biomass, so it can be a raw material for pulp production that be valuable products. The objectives of this research is to obtain the characteristics of pulp (yield, cellulose content, lignin content, bursting index…