Vol. 10 No. 1 (2021)

Articles

• Antioxidant Activity Test of Acetone and Ethanol Extracts of Cocoa (Theobroma cacao L.) Beans Husk

  Siti S. K. Pandjo, Kasmudin Mustapa, Purnama Ningsih

  1-8

  • Download PDF

• Application of Learning Models of Concept Attainment and Problem Based Learning Against High School Students' Creative Thinking Ability on Redox Material

  Lisa N. M. Sakaria, Kasmudin Mustapa, Anang Wahid M. Diah

  9-14

  • Download PDF

• Analysis of Calcium (Ca) Levels in Milkfish’s (Chanos chanos) Bone Using Atomic Absorption Spectrophotometry (AAS)

  Lia K. Dewi, Supriadi Supriadi, Siti Aminah

  15-19

  • Download PDF

• Comparison of High School Student’s Learning Outcomes Using Cooperative Learning Model Between Think-Pair-Share (TPS) and Teams Games Tournament (TGT) Types on Reaction Equation

  Nurlia L. Radjabani, Ratman Ratman, Purnama Ningsih

  20-25

  • Download PDF

• Application of Discovery Learning Model to Improve the Understanding Concept of High School Students on Buffer Topic

  Nurfauzia Nurfauzia, Ijirana Ijirana , Suherman Suherman

  26-31

  • Download PDF

• Analysis of Flavonoid Levels in Tin (Ficus carica Linn) Fruit

  Rahmasita Rahmasita, Siti Nuryanti, Supriadi Supriadi

  32-35

  • Download PDF

• The Differences of Chemistry Learning Outcome Through the Implementation of Think-Talk-Write (TTW) Type of Cooperative Learning Model and Scramble Type in Teaching Atomic Structure

  Alfinda D. Nande, Minarni R. Jura, Ratman Ratman

  36-41

  • Download PDF

• The Implementation of SAVI (Somatic, Auditory, Visual, and Intellectual) Learning Model toward Critical Thinking Ability of Students in Grade XI on the Subjects of Solubility and Solubility Product Constant (Ksp)

  Sarmilah Sarmilah, Afadil Afadil, Vanny M. A. Tiwow

  42-48

  • Download PDF

• Analysis of Cyanide Contents in Cassava Leaves (Manihot esculenta Crantz) Based on Boiling Time with Formation of Hydrindantin Complex by Using UV-Vis Spectrophotometry

  Kadek N. Anjani, Baharuddin Hamzah, Paulus H. Abram

  49-52

  • Download PDF

• Citric Acid Extraction in Citrus hystrix Peels as an Alternative Material for Reducing Water Hardness

  Ni Nyoman Suciani, Irwan Said, Anang Wahid M. Diah

  53-58

  • Download PDF