This research aims to give information about the effect of adding CO2 to the abundance, growth, and biomass produced from the cultured of Nannochloropsis oculata in BG-11 liquid medium in simple photobioreactors. The research method used was an experimental method with a completely randomized design (CRD), consisting of three treatments and ten repetitions. The treatments consisted of P1 (aerat…
This study aims at developing valid, reliable and practical prototype questions to measure Higher Order Thinking Skills (HOTS) of coordination system for senior high school students. The method used in this study is the development research (DR) according to Djaali and Mulyono (2008) that consists of synthesising theory and needs analysis, step design (variable construction, indicator developme…
This study aims to obtain information about the effect of the Think Talk Write (TTW) learning model on students' critical thinking skills on the digestive system material class XI IPA of SMA Negeri 1 Indralaya. The research method used is Quasi Experimental with Nonequivalent Control Group Design research design. Determination of the sample using the Simple Random Sampling technique. The instru…