Purwanti Widhy
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THE SIX THINKING HATS SEBAGAI UPAYA PENINGKATAN PEMBELAJARAN IPA YANG PAKEM Purwanti Widhy
MAJALAH ILMIAH PEMBELAJARAN No 2 (2010): Jurnal Majalah Ilmiah Pembelajaran Edisi Oktober 2010
Publisher : MAJALAH ILMIAH PEMBELAJARAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (101.776 KB)

Abstract

This study aims to explore how learning science with using techniques of The Six Thinking Hats to appear student activity, student creativity and creating a fun learning so the learning will be effective is to achieve the objectives learning. Basically, the discussion is focused on learning science base PAKEM using The Six Thinking Hats technique that can enable students and raise student creativity and improve students' critical thinking skills. Impacts arising from PAKEM against activity and creativity of students tested .. This study also explains how criteria of learning by using PAKEM approach and explain how the application of the Thinking Hats technique in science learning
SEED VIABILITY TEST OF COMMERSIAL DATES ON THE MARKET Ekosari Roektiningroem; Purwanti Widhy
Jurnal Sains Dasar Vol 4, No 1 (2015): April 2015
Publisher : Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.362 KB) | DOI: 10.21831/jsd.v4i1.8438

Abstract

This research aims to to know the seed viability of the two dates on the market. It has been done from July to November 2014, in the laboratory of  Mathematics and Natural Science Faculty, Yogyakarta State University. The type of Dates seeds are Sayer (oval-cilindrical, ±3cm, dark orange brown/more light than another),  and Lulu (round, ±2cm, dark maroon reddish /more dark than Sayer’s). Viability test by germination testing; conducted on plastic tray with cotton sheet and fabric covered; fill with 100 grains of seeds. Repeated 4 times. Incubation at room temperature (±30oC). The parameters were seed fresh weight, seed dry weight, seed moisture, germination percentage and germination rate. The results were analyzed by compare mean - independent samples t test of SPSS 18’th. The results showed that the viability of both of Date’s seeds from local’s market (Sayer and Lulu) is high. Sayer’s have better viability than Lulu’s (due to the germination percentage and germination rate). Keywords: date seed, viability test, germination test