Learning is a complex process characterized by changes in a person’s life. The process of helping students to learn well is called learning. Learning online is done during Covid-19 pandemic. It affects the students’ learning mastery. So it is necessary to analyze student’s learning mastery, one of them is in the subject of chemistry, reaction rate subject. This research aims to analyze ho…
A large amount of used cooking oil makes it necessary to treat the waste. Waste cooking oil treatment can provide many benefits. In addition to helping reduce environmental pollution, the use of used cooking oil can be an additional source of income because products made from used cooking oil can be economically valuable and generate profits. Waste used cooking oil processing can be explained t…
Online learning during the impact of Covid-19 cannot be carried out optimally due to various limitations, so the government has issued a limited face-to-face learning policy. This study aims to describe learning chemistry and analyze the learning mastery of students in class XI MIPA SMA Negeri 10 Pekanbaru on Ion Equilibrium and pH of Buffer Solutions. This research is a survey research using a…
This study aims to develop environmental-based e-module teaching materials on redox materials and electrochemical cells for class XII SMA/MA and equivalent. The type of research used is research and development with the ADDIE development model. The object of the research is an environment-based e-module. Data collection instruments were in the form of validation sheets given to three validators…
The development of animated video on blended learning study, on the subject of Keloid aims to develop valid instructional media and determine user responses in learning. The research method used is the Research and Development (R&D) method consisting of analysis, design, and development which is followed by one-to-one trials, small group trials, and teacher trials. The data collection tools use…
This study aims to produce a learning media in the form of discovery learning-based E-LKPD development using professional 3D pageflips on the subject of hydrocarbons in SMA / MA equivalent. This research method is research and development with ADDIE model. The subjects of this study consisted of development subjects and test subjects. Data collection techniques used in this study are direct tec…
This study aims to develop an electronic student activity sheet (E-LKPD) based on Means-End Analysis (MEA) on the subject of oxidation and reduction reactions for class X SMA/MA equivalent. MEA-based E-LKPD is an E-LKPD designed according to the stages of the MEA learning model. The type of development research used is Research and Development (R&D) with a 4-D development model. Data collection…
This study aims to produce an E-LKPD based on Problem Based Learning on a valid reaction rate material according to material experts and material experts and media experts. The subject of this research is material expert and media expert validator. The research instrument was in the form of a material expert and media expert validation sheet. The results showed that the percentage of the av…
Pandemi Covid-19 hingga saat ini masih menjadi problema bagi seluruh Negara di dunia termasuk Indonesia, hal ini ini telah mengubah proses pembelajaran yang sebelumnya dilakukan secara luring sekarang harus di lakukan secara daring. Pembelajaran daring saat ini merupakan solusi dalam masa pandemi, namun pembelajaran daring tidak semudah yang dibayangkan. Dalam pelaksananya terdapat banyak kenda…
Teaching materials are components that are needed by students during the learning process as a tool that is used as a source of learning information. Innovation in developing teaching materials is the demand of a teacher in the 21st century in order to face the development of Science and Technology (IPTEK). Development by utilizing technology, information and communication, one of which is the …
Entrepreneurship has a very close relationship with national economic growth Entrepreneurship is able to make a developed and prosperous country because entrepreneurship as a creator of new job opportunities, Entrepreneurship is one option to help people solve job opportunities problems. The purpose of implementing the Entrepreneurship Program is to increase entrepreneurship in a creative a…
This study aims to determine the causal factors and general description of students' learning difficulties in studying acid-base material in the 2021/2022 academic year at SMA Negeri 10 Pekanbaru. This research is quantitative descriptive. The population of this study were students of class XI MIPA, totaling 213 people and 139 people were taken as samples. Samples were taken by simple rand…
The study aims to analyze how the student’s learning mastery on the subject of ion equilibrium and pH of salt solutions through limited face-toface learning in the 2021/2022 academic year in class XI MIPA SMAN 14 Pekanbaru This research quantitative descriptive research. The data collection tools in the study were interviews and documentation of daily ion equilibrium and pH of salt solut…
The purpose of this research is to develop an interactive e-module using the Adobe animate creative cloud application on valid chemical bonds and molecular shapes; Get a good response from teachers and students; Can overcome learning problems experienced by students in the material of chemical bonds and molecular shapes. This research is a qualitative descriptive study using the research design…
The research purpose is to development of learning cycle 8E based e-module use Flip PDF Professional on colligative properties of solutions which valid. This type of research is development research with the plomp model. Research is limited to the validation, trial, and revision phases. The e-module has been validated by 2 material and media experts respectively, and has been tested on users, n…
This research was conducted based on a needs analysis that showed that the LKPD used was still lacking to develop the level of thinking skills of students. The purpose of this study is to develop a Learner Activity Sheet (LKPD) model of Predict, Observation, Explanation, Elaboration, Write and Evaluation (POE2WE) in chemistry learning on the subject matter of colligative properties of solutions…
This research aims to produce a valid E-LKPD based on POE using Liveworksheets on the subject of ion balance and pH of buffer solution on the aspects of content, the characteristics of POE, language, serve and graphics aspect. The research was designed referring to the research and development (R&D) design with the Plomp development model. The research instruments were validation sheets an…
This research aims to produce a valid E-LKPD using Liveworksheets based on POE on the subject of acid base solution on the aspects of content, the characteristics of POE, language, serve and graphics aspect. The research was designed referring to the research and development (R&D) design with the Plomp development model. The research instruments were validation sheets and user responses. The re…
The development of science and technology has progressed very rapidly from time to time. In the world of education, an educator is required to make reform efforts related to the use of technology in learning activities. The purpose of this study is to develop an e-module using the FlipHTML5 application on valid chemical bonding material based on aspects of content feasibility, language, pre…
This research aims to determine the improvement of students ' communication skill by applying discovery learning model on the subject of oxidation-reduction reaction in class X MIPA SMA Negeri 1 Teluk Kuantan. This type of research is experimental research with draft research using the Non Equivalent Control Group Design. The population consists of 5 classes and the samples consist of 2 classes…