Vol. 12 No. 3 (2024): June-July 2024

Articles

• Review of Secondary Metabolites From Melandean Bark Extract (Bridellia Micrantha): Bioactive Potential and Applications in Health

  Faizul Bayani, Muhali Muhali, Devi Yuliana, Hulyadi Hulyadi, Gargazi Gargazi

  413-428

  • PDF

  DOI : 10.33394/hjkk.v12i3.11956 Abstract View : 0 PDF downloads: 4

• Validity Test of E-LKPD to Improve Students' Argumentation Skills on Chemical Equilibrium Material

  Lucky Arthamevia Andreani, Bertha Yonata

  429-439

  • PDF

  DOI : 10.33394/hjkk.v12i3.11500 Abstract View : 0 PDF downloads: 0

• Characterization of Activated Charcoal Produced Using Green Chemistry Principle Approach Number 7

  Muhammad Bakhru Thohir, Terry Esi Putri Wijaya

  440-452

  • PDF

  DOI : 10.33394/hjkk.v12i3.11834 Abstract View : 0 PDF downloads: 1

• Validity of Electronic Worksheet (E-LKPD) Based on PBL Model to Train Creative Thinking Skills on Acid-Base Material

  Errisya Nur Ainiah, Bertha Yonata

  453-463

  • PDF

  DOI : 10.33394/hjkk.v12i3.11587 Abstract View : 0 PDF downloads: 0

• The Effect of Virtual Laboratory on Students' Computational Thinking on Half-Life Concepts

  Ratna Azizah Mashami, Ahmadi Ahmadi, Husnul Hatimah

  464-473

  • PDF

  DOI : 10.33394/hjkk.v12i3.12107 Abstract View : 0 PDF downloads: 0

• Synthesis of Colorimetric Sensor for Cyanide Detection with Iron(III) Chloride reagent Using Sol Gel Method with Smarthphone Combination

  Amalia Rohsaita, Muhammad Bakhru Thohir, Meilisa Rusdiana Surya Efendi, Windi Pangesti Kusumaning Tiyas, Marta Citra Nursaida

  474-486

  • PDF

  DOI : 10.33394/hjkk.v12i3.11887 Abstract View : 0 PDF downloads: 0

• The Influence of the Anchored Instruction Model assisted by PHET on Students' Problem Solving Abilities

  Bq Intan Patmala Dewi, Ni Nyoman Sri Putu Verawati, Hikmawati Hikmawati, Satutik Rahayu

  487-496

  • PDF

  DOI : 10.33394/hjkk.v12i3.12179 Abstract View : 0 PDF downloads: 0

• Development Of Teaching Material To Support Merdeka Curriculum On Stoichiometry For Phase F

  Damiyanti Damiyanti, Mawardi Mawardi, Okta Suryani

  497-511

  • PDF

  DOI : 10.33394/hjkk.v12i3.11687 Abstract View : 0 PDF downloads: 0

• Reducing Coffee Acidity and Caffeine through the Roasting Method using Azadirachtaindica Firewood

  Dwi Putera, Yamin Yamin, Thoriqi Firdaus

  512-525

  • PDF

  DOI : 10.33394/hjkk.v12i3.12140 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0

• Exploration of Student Thinking Systems Through STEM-PjBL Project Based Learning in the Science Field

  I Ketut Sukarma, Hulyadi Hulyadi, Muhali Muhali, Irham Azmi

  526-543

  • PDF

  DOI : 10.33394/hjkk.v12i3.12273 Abstract View : 0 PDF downloads: 1

• Development Problem-BasedLearning Oriented E-worksheet To Train Analytical Skills On Chemical Equilibrium Material

  Vivi Damayanti, Dian Novita

  544-561

  • PDF

  DOI : 10.33394/hjkk.v12i3.12189 Abstract View : 0 DEVELOPMENT PROBLEM-BASED LEARNING-ORIENTED E-WORKSHEET TO TRAIN ANALYTICAL SKILLS ON CHEMICAL EQUILIBRIUM MATERIAL downloads: 0 PDF downloads: 0

• Development of Video Tutorials for Simple Distillation Tools for Making Essential Oils in Junior High Chemistry Course

  Irene Yudea Listra, Hairida Hairida, Rahmat Rasmawan, Eny Enawaty, Masriani Masriani

  562-577

  • PDF

  DOI : 10.33394/hjkk.v12i3.11752 Abstract View : 0 PDF downloads: 0

• Kinetics of Tofu Pulp as Copper Metal Adsorbent on the Waste of the Silver Craft Industry

  Dahlia Rosma Indah, Husnul Hatimah

  578-588

  • PDF

  DOI : 10.33394/hjkk.v12i3.12462 Abstract View : 0 PDF downloads: 0

• Transforming Chemistry Learning through the Development of Higher Order Thinking Based on Revised Bloom's Taxonomy: A Systematic Review

  Annisa Khairani Putri, Allika Haya Fahrunisa, Agnes Suci Evriliani, Erin Volosa, Nahadi Nahadi

  589-605

  • PDF

  DOI : 10.33394/hjkk.v12i3.12452 Abstract View : 0 PDF downloads: 0

• Development of LKPD based on project-based learning oriented chemo-entrepreneurship on hydrocarbon material for phase F SMA/MA

  Aglin Velly, Okta Suryani

  606-624

  • PDF

  DOI : 10.33394/hjkk.v12i3.12442 Abstract View : 0 PDF downloads: 0

• Development of LKPD Based on Project Based Learning Stoichiometry Material by Utilizing Organic Waste for Phase F SMA/MA

  Nafisah Yulia Rahmad, Okta Suryani

  625-647

  • PDF

  DOI : 10.33394/hjkk.v12i3.12443 Abstract View : 0 PDF downloads: 0

• Effect of Brix Concentration and pH of Molassses Media on Ethanol Yield in The Fermentation Process at PT. Indo Acidatama. Tbk

  Henny Parida Hutapea, Panji Ahmadi

  648-654

  • PDF

  DOI : 10.33394/hjkk.v12i3.11668 Abstract View : 0 Turnitin Test Result: of Effect of Brix Concentration and pH of Molassses Media on Ethanol Yield in The Fermentation Process at PT. Indo Acidatama. Tbk downloads: 0 PDF downloads: 2

• The Effectiveness of Interactive E-Modules as Learning Media to Train Visual Spatial Intelligence in Chemical Bond Material

  Ria Fatmawati, Sukarmin Sukarmin

  655-662

  • PDF

  DOI : 10.33394/hjkk.v12i3.8940 Abstract View : 0 PDF downloads: 0

• The Relationship between Drinking Water Consumption, Nutritional Status and Workload with The Incidence of Heat Strain in Tofu-Making Workers in West Kekalik Sub-District

  Baiq Fathin Ayu, Kardi Kardi, Janur Wanda

  663-674

  • PDF

  DOI : 10.33394/hjkk.v12i3.12373 Abstract View : 0 PDF downloads: 0 Untitled downloads: 0

• Development of Cooperative Learning-Based Student Worksheets (LKPD) on Chemical Nomenclature Subject Material for 10th Grade Students

  Tri Merry Septiana, Rody Putra Sartika, Rahmat Rasmawan

  675-686

  • PDF

  DOI : 10.33394/hjkk.v12i3.10761 Abstract View : 0 PDF downloads: 0