Keterampilan Proses Sains Siswa Pdf

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Abstract The purpose of this research is to improve science process skill of grade XI student of SMA Muhammadiyah 2 Pontianak in salt hydrolysis material by using Predict-Observe-Explain (POE) model. The research method used is Class Action Research. The subjects of this study were 31 students of class XI IPA.

The research instrument of this is the lesson plan research, student worksheet, and skill observation sheet using tools and materials. The results of the study in first cycle showed the skills of predicting, observing, tabulating, explaining and concluding respectively that is 39%, 97%, 100%, 35% and 48%. In the second cycle there is an increase in the skill of predicting, observing, tabulating, explaining and concluding respectively that is 100%, 100%, 100%, 96% and 61%. It can be concluded that the use of the Predict-Observe-Explain (POE) learning model can improve the science-grade students' skill of class XI IPA SMA Muhammadiyah 2 Pontianak on salt hydrolysis material. Keywords: POE, Skills Process Science, Hydrolysis Salt.

The purpose of this study is to improve science process skill (SPS) mastery of tenth graders using guided inquiry. Research design is classroom action research. Data taken by direct observation and analyzing the students' worksheet. Student worksheets analyzed by comparing to the SPS indicator from Harlen and Rustaman.

Data analysis using descriptive method. It can be concluded that 1) application of guided inquiry can improve the students’ skill mastery. 2) Students will felt uncomfortable when moved from traditional learning class to guided inquiry without prior adaptation, impeding learning process, lowering students' perform and achievement. 3) Inquiry should be applied gradually, based on the condition and situation of the students, particularly when students used to traditional teaching.

Bp ot printera. David Eyton, BP's head of technology, said the oil giant was already using 3D printing to make specialist components used in its chemicals division such as the agitators used inside catalytic reactors. “3D printers are fantastic for making quite bespoke devices,” Mr Eyton said.