IJSRP, Volume 9, Issue 11, November 2019 Edition [ISSN 2250-3153]
Zhian Friska, Z.A Imam Supardi, Tukiran
The aim of this research is to analyse material learning instrument with Predict-Observe-Explain based work laboratory to train basic science process skills on the topic of straight motion. Learning tool/instrument is developed by using 4D model. This developmet method is used to generate learning instrument, then its validity and reliability are verified.