Development of LKPD based on Multiple Representations on the subject of acids and bases aims to develop teaching materials that are valid and suitable for use in the learning process. The research used the research method Research and Development (R&D) with a 4-D model consisting of 4 stages, namely, Define, Design, Develop, and Disseminate, but in the Multiple Representation-based LKPD develop…
Development of student activity sheets with the PISI learning model is the development of discovery-based student sheets, where students play an active role while the teacher acts as a facilitator. The purpose of this study is to develop PISI-based student activity sheets as valid teaching materials based on 5 aspects of feasibility, namely the feasibility of content, PISI context, language, pr…
This research aimed to develop Student Activities Worksheet based on EKPA based on EKPA of electrolyte solutions and nonelectrolyte solutions subject which are valid according to the validators assessment and determine the response from the user side namely teaches and students. There are 5 aspects of feasibility that are assassed, namely the feasibility of content, language, presentation, grap…
This research aims to develop an ICARE-based module on acid and base. This development research uses the ADDIE model which has 5 stages, namely, A (Analysis), D (Design), D (Development), I (Implementation), E (Evaluation), but this research only reaches the Development stage. The data instrument used is a sheet validation and user response questionnaires. Validation was carried out by 3 valida…
This study aims to develop student worksheets based on the ARCS model on ionic equilibrium and pH of the buffer solution subject, determining the validity of student worksheets of the aspects of content, ARCS characteristics, language, presentation, graphics and find out user responses through student worksheets based on ARCS models on ionic equilibrium and pH buffer solution subject. This rese…
This study aims to produce an e-Module reaction rate based on multiple representations using sigil valid according to the validator. This type of research is research and development with referemce to thedevelopment process of ADDIE. The object of this research is a teaching material in the form of e-Module reaction rate based on multiple representations using sea digital learning (Sigil) for c…
The development of this LKPD aims to develop a valid Think-Pair-Share (TPS) type cooperative learning model based on validator and practical assessment based on user response tests, namely teachers and learners. Valid assessment is based on 5 aspects of feasibility, namely content feasibility, feasibility characteristics of TPS learning model, language feasibility, feasibility of presentation a…
This development research aims to develop LKPD based on the ARCS model which is considered valid according to the validator's assessment as well as practical based on user response tests (teachers and students). Validity is assessed based on 6 aspects of feasibility, namely the feasibility of content, the feasibility of the ARCS model characteristics, linguistic feasibility, presentation feasib…
This research aims to develop Student Activities Worksheet Based on CUPs on the Stoikiometri material for grade X SMA/MA. Student Worksheet Based are designed according to the CUPs model contens. The type of this research is research and development (R and D) with reference to the development process of 4-D. The subject pf this research is student activities worksheets based on CUPs. Instrument…
This research was conducted to use the detection results of Salmonella sp in broilers as a handout design on the eubacteria concept for class X SMA in August-September 2020. This research was conducted in 2 stages, namely the analysis of the potential development of teaching materials for the eubacteria concept of class X SMA, and the design stage. This research was conducted in the laboratory …
This study was conducted to use the results of the Salmonella sp test on duck eggs as a module design for the enrichment of eubacteria material for class X SMA in March-April 2020. This research was conducted in 3 stages, namely the analysis of the potential development of eubacteria teaching materials for class X SMA , and development. This research was conducted in the laboratory of the Facul…
This study aims to determine the growth of tilapia (Oreochromis niloticus) with the use of Azolla microphylla feed and its potential to produce a module design on the material for growth and development of living things in class XII odd semester KD 3.10 and KD 4.10.This research was conducted from May to August 2020 at Danau Selais LPPM Riau University. This study used 2 stages, namely. Phase I…
Endophytic bacteria are bacteria that live in the tissue of the host plant without causing disease symptoms. Endophytic bacteria are considered to have a role in the process of producing secondary metabolites found in almost all parts of plants. Secondary metabolite compounds derived from endophytic bacteria can function as antibacterial, anti-fungal, and anti-cancer agents. This study aims to …
This research was conducted to determine the effect of mung bean extract on the quality of Nata de cassava and poster design of biotechnology subject matter at the XII grade high school level in June-August 2020. This research was conducted in 2 stages, namely the experimental stage: the effect of giving mung bean extract to the quality of Nata de Cassava and the second stage of poster design: …
This study aims to determine the effect of the concentration of rice husk charcoal and cow manure on the growth of Dayak onions (Eleutherine americana Merr.) And produce Student Worksheets for class XII SMA. This research was conducted in Jayapura Village, Siak Regency, in October-December 2019. This study used an experimental method with a completely randomized factorial design consisting of 2…
The competencies that must be mastered by biology subject teachers consist of material knowledge and knowledge in carrying out biological experiments in the right and correct way. This research is a development research that aims to see how the quality of the design of manuals and practical videos of food material testing for prospective biology teachers. This manual and practical video were de…
Initially the rubber plantation was a bauxite mining area of PT Telaga Bintan Jaya. The area of the open mine is 60 hectares, but the reclaimed land is only 15 hectares. This location is located in the West Singkep District, Lingga Regency, Riau Islands Province. To prevent fatal environmental damage, reclamation is carried out by means of revegetation. Revegetation of rubber trees in post-mini…
The post-mining bauxite rubber plantation ecosystem is a post-mining bauxite area of PT Telaga Bintan Jaya which is located on Singkep Island, Singkep Barat District, Lingga Regency, Riau Islands Province. The open pit area is 60 Ha. The area of land that was reclaimed was only 15 hectares. Rubber revegetation was carried out on this land in 2012, 2014 and 2015 and divided into 3 stations b…
This descriptive research aimed to find out the ability level of the second year students of MA Darul Quran in writing descriptive texts. The subjects of this study were the second year students of MA Darul Quran who were selected by using the cluster random sampling technique. 32 students employed in this study was used the Writing Test adapted by Brown in 2003. The results of the data analysi…
This descriptive research was aimed to find out the effectiveness of Make a Match Technique in increasing students’ vocabulary for junior high school. In this research the data were taken from seven references including journals and previous research studies that published in 2014 – 2020. The data were analyzed in two processes: descriptive analysis and content analysis. The result of the d…