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International Journal of Science and Applied Science: Conference Series

ijsascs
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Published by Universitas Sebelas Maret

ISSN : 25494627 EISSN : 25494635 DOI : -

Core Subject : Science, Education,

Chemistry Education Mathematics Physics

International Journal of Science and Applied Science: Conference Series is a scientific proceedings publication service for international conferences. Subject areas of this publication include: physics, biology, mathematics, chemistry, education, materials science, environmental science, bioscience, engineering and applied science. International Journal of Science and Applied Science: Conference Series is published by Universitas Sebelas Maret, Indonesia.

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Articles 196 Documents

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Development of Authentic Assessment instruments for Critical Thinking skills in Global Warming with a Scientific Approach R. Surya Damayanti; Agus Suyatna; Warsono Warsono; Undang Rosidin
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

This study aims to develop an authentic assessment instrument to measure critical thinking skills in global warming learning and to describe the suitability, easiness, and usefulness of the use instruments which are developed base on the teacher’s opinion. The development design is carried out by Borg & Gall (2003) development model, which is conducted with seven stages: information gathering stage, planning stage, product development stage, product test stage, product revision stage, field trial stage, and final product. The test subjects are students and teachers in SMA Lampung Tengah by using purposive sampling technique. Global warming learning using authentic assessment consists of a series of learning activities, including observing, discussing, exploring, associating and communicating. The results show the authentic assessment techniques global warming to measure and cultivate critical thinking skills consisting of written tests, performance, portfolios, projects, and attitudes. The developed assessment model meets content and constructs validity, and effectively improves students' critical thinking skills and has a high level of suitability, easiness, and usefulness well-being. The assessment techniques are used in global warming learning are performance assessment techniques, portfolios, projects, products, and attitude that together contribute to the improvement of critical thinking skills on 97,4% of global warming learning.

Integer 1/0 Knapsack Problem Dynamic Programming Approach in Building Maintenance Optimization Viska Dewi Fawzy; Senot Sangadji; Sholihin As’ad
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

The most common problem in urban areas is the high public demand and the limited provision of housing. In meeting the needs of affordable housing for low income communities, the Government of Indonesia implements Rusunawa Project. Object of this research is Pandanarang Rusunawa. Rusunawa Pandanarang is one of the vertical housing in Cilacap that is facing deterioration issue and needs good maintenance management. This study aims at insetting priority and optimizing maintenance plan due to limited funds (limited budget) and the amount of damage that must be repaired.This study uses one of the optimization methods of Dynamic Programing on the application of Integer 1/0 Knapsack Problem, to determine an schedule the maintenance activities. The Criteria that are used such as: the level of building components damage and the level of occupants participation. In the first criterion, the benefit (p) is the percentage of damage that is fixed with the cost (w). While on the second criterion, the benefit (p) is the percentage of occupant participation rate on the maintenance activities with the cost (w). For the budget of Rp 125.000.000, 00, it was obtained from the simulation that the value of the optimum solution on the first criterion at the 7th stage of 71.88% with total cost Rp 106.000.000, 00. At the second criterion, the value of the optimum solution at the 7th stage of 89.29% with total cost Rp 124.000.000, 00.

The development of macros program-based cognitive evaluation model via e-learning course mathematics in senior high school based on curriculum 2013 Djoko Purnomo; Harjito Harjito; Rina Dwi Setyawati; Muhammad Prayito
International Journal of Science and Applied Science: Conference Series Vol 1, No 1 (2017): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

The specific purpose of this research is: The implementation of the application of the learning tool with a form cognitive learning evaluation model based macros program via E-learning at High School grade X at july-december based on 2013 curriculum. The method used in this research followed the procedures is research and development by Borg and Gall [2]. In second year, population analysis has conducted at several universities in Semarang. The results of the research and application development of macro program-based cognitive evaluation model is effective which can be seen from (1) the student learning result is over KKM, (2) The student independency affects learning result positively, (3) the student learning a result by using macros program-based cognitive evaluation model is better than students class control. Based on the results above, the development of macros program-based cognitive evaluation model that have been tested have met quality standards according to Akker (1999). Large-scale testing includes operational phase of field testing and final product revision, i.e trials in the wider class that includes students in mathematics education major in several universities, they are the Universitas PGRI Semarang, Universitas Islam Sultan Agung and the Universitas Islam NegeriWalisongo Semarang. The positive responses is given by students at the Universitas PGRI Semarang, Universitas Islam Sultan Agung and the Universitas Islam NegeriWalisongo Semarang.

Using Spreadsheet Modeling in Basic Physics Laboratory Practice for Physics Education Curriculum Ahmad Fauzi; Dwi Teguh Rahardjo; Utoro Romadhon; Kunthi Ratna Kawuri
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

Physics is one of a branch of science which uses much of mathematical concept. Usually, the concept of physics is expressed in a mathematical equation; it will make physics easier to be understood. Therefore, the students need to understand about mathematical modelling to help them understand physics. Students who take fundamental physics and physics laboratory course required to understand the concept of feedback that is mathematically expressed in differential equations. However, most of the students have not been taught the concept of differential equations at early semester. Therefore, we are interested in reviewing the use of mathematical modelling with a spreadsheet in the case of feedback that is integrated with laboratory practice. The results of this study indicate that students gave positive perceptions and improve their ability in understanding the concept of feedback that is mathematically expressed in the differential equation.

Analysis of students' difficulties on the material elasticity and harmonic oscillation in the inquiry-based physics learning in senior high school Halimatus Sa’diyah; Sarwanto Sarwanto; Sukarmin Sukarmin
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

The purpose of this research is to analyze of students' difficulties on the material elasticity and harmonic oscillation in the inquiry-based physics learning. It has eight stages. They are the orientation, the problem formulation, the formulation of hypotheses, the data obtaining, the testing hypotheses, conclusions, the implementation of the conclusions and generalizations, and the reflection stage. This research determines the student's learning difficulties on the each stage. The subject of this research is all of the students in X IPA 4 SMA N Sambungmacan Sragen. The amount of this research subject is thirty students. The method used in this research is descriptive qualitative. The data acquired with the learning process observation, the student's response questionnaire, and the student's cognitive tests. The results show that the student has difficulty in analyzing the elasticity and the force of deviation, speed, and acceleration concept, illustrates hooke law, and the matter's modulus elasticity. The difficult stages of the inquiry-based physics learning are the problem formulation, the formulation of hypotheses, the data obtaining, the testing hypotheses, conclusions, the implementation of the conclusions and generalizations, and the reflection stage.

Improving Problem Solving Skill and Self Regulated Learning of Senior High School Students through Scientific Approach using Quantum Learning strategy M Sudirman; S Fatimah; A Jupri
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

This research is quasi experiment with control group pretest-postest design. The sampel in this research using the techique of purposive sampling so the samples used were two classes of the 11th grade students of SMAN 14 Bandung in the academic year 2017/2018. The experiment group uses saintific approach using Quantum Learning strategy and control group uses saintific approach. In collecting the data the researcher will use the test of problem solving ability and self regulated learning as the instrument. The aims of this research are to:1)find out the improvement of students mathematical problem solving through scientific approach using Quantum Learning study, 2) find out students self regulated learning through scientific approach using Quantum Learning.

The Impact of Independency in Lesson Study Based Mathematic Learning in Junior High School Sutama Sutama; Sabar Narimo; Diana Purwita Sari
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

This correlational quantitative research aims to testify students’ independency in lesson study based mathematic learning based on the parent’s economical status, environment, and learning facilities. Research population was 256 seventh grade students of State Junior High School 1 Salatiga Academic Year 2016/2017. 165 research sample students were determined by using Slovin formula (alpha 5%). Proportional random sampling technique was used by using a lottery. Documentation and questionnaire were used to collect the data and analyzed by using multiple linear regression. Research results are: students’ independency supported by parent’s economical status, environment, and learning facilities is 87.70% (significance 0.000); 20.01% (significance 0.008) parent’s economical status; 28,13% (significance 0.000) environment; and 39.56% (significance 0.000) facility supports students’ independency. Thus, good parent’s economical status, environment, and learning facilities increase students’ independency in lesson study based mathematic learning.

The effect of Phet Simulation media for physics teacher candidate understanding on photoelectric effect concept Supurwoko Supurwoko; Cari Cari; Sarwanto Sarwanto; Sukarmin Sukarmin; Suparmi Suparmi
International Journal of Science and Applied Science: Conference Series Vol 1, No 1 (2017): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

Indonesian new Curriculum for senior high school students required student-centered learning. One of the curriculum implementation constraint was the difficulty of providing learning media. PhET simulations media is one of the options that can help implementation of new curriculum on learning. However, the use of this media in Indonesia still needs to be studied comprehensively. The learning was conducted on students of physics education Study Program in sebelas maret university in 2013. The sample consisted of 62 students that was taking quantum physics course. The method that was used in the research was descriptive qualitative. The method that was used in learning was demonstration’s method that used PhET media and accompanied by a question and answer and groups discussion. The data was collected using multiple choice test and interview through email. We found that any students still did not understand about photoelectric effect concept. They were confused when asked about the thick material and cross section of the targets as related with the regardless of electrons in the photoelectric effect event. Other than that, the concept of the waves as a particle and its relation with the kinetic energy of the electrons was not understood by most students.

Student’s concept ability of Newton’s law based on verbal and visual test N. D. Setyani; Cari Cari; Suparmi Suparmi; J. Handhika
International Journal of Science and Applied Science: Conference Series Vol 1, No 2 (2017): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

Newton’s law is a foundamental concept that needs to be studied and understood correctly. Concept presentation in different representation will help the student to understand the concept that being learned. Student’s ability to present Newton’s law in different representation indicate the quality of student’s concept ability. This research aims to describe student’s concept ability of Newton’s laws based on the student’s ability of verbal and visual (pictorial and graphical) problem solving. The method of this research is qualitative with the sample of 71 students of physics education from IKIP PGRI Madiun (14 students) and Sebelas Maret University (57 students). The instrument used in this research were conceptual test and interview. The result showed that more student provide incorrect answer to the physics conceptual problem. Percentage of the incorrect answer for First Newton’s law problem is 69 %, Second Newton’s law problem is 71 %, and Third Newton’s law problem is 76 %. The students do not understand the language of physics correctly, they undergo incorrect physics concept, and so they only understand few physics concept of Newton’s law.

Stimulating Students’ Argumentation using Drawing – based Modeling on The Concept of Ecosystem E N Sumarni; A Widodo; R Solihat
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2018): International Journal of Science and Applied Science: Conference Series
Publisher : Universitas Sebelas Maret

Drawing – based modeling as learning approach, it allows students to create models based on drawing which help them to run a simulation. Students can use drawing–based modeling to learn a pair of interacting population known as predato–prey system while they usually conducted practicum using diagram of organisms. This study was to explore students’ argumentation and students’ understanding on the concept of the ecosystem. The study was conducted quasi – experimental using the matching – only post-test – only control group design. The participants consist of 60 grade 10 senior high school students in Subang, West Java. They are placed into two groups, 30 students in the experimental group and 30 students in the control group. Data was collected through argumentation test and selected response test for assessing students’ understanding. Students’ argumentation were analyzed using Toulmin’s argumentation pattern and statistical analysis. The result showed there is no significant difference between the experimental group and the control group for students’ argumentation. Most of the students are predominantly at level 2. But the coherency of arguments of the experimental group is more coherent than the control group. It means that the students in experimental group can make logical claim and supported by the correct and relevant grounds (data, warrant, and backing). The result of students’ understanding showed there is a significant mean score between the experimental group and the control group whether 72.33 for the experimental group and 62.13 for the control group

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Contact Name
Dewanta Arya Nugraha

Contact Email
dewanta.an@gmail.com

Phone
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Journal Mail Official
ijsascs@mail.uns.ac.id

Editorial Address
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Location
Kota surakarta,

Jawa tengah

INDONESIA