The problem used in the test instrument is an adaptation of the TIMSS (Trends in Mathematics and Science Study) question in the Earth Science sub-discussion.
The test is done online through google form. The method used in this research is quantitative method. The purpose of this research is to find out the geoscience literacy profile of junior high school students in Surabaya. Based on the analysis of student achievement in the cycle I with an average score of 80.29, mastery of 82.61%, and in the second Cycle 83.48 with mastery of 91.30%, it can be concluded that thr application of natural science educational crossword puzzle multimedia supports the learning process for the better and improves student learning outcomes, especially in the material of digestive system. Study results also described that the average activeness of students was 100% with very strong criteria. The results showed that the application of educational crossword puzzle multimedia was carried out well in each cycle (100%) with very strong criteria. At each meeting, students learnt in groups using the natural science educational crossword puzzle multimedia. The form of research used is Lesson study, which is designed in 2 cycles, each cycle having 1 meeting. This study aims to improve the teaching and learning process and outcomes, improve the implementation process of instruction, and improve student learning outcomes by combining cooperative learning models with natural science educational crossword puzzle multimedia on the digestive system instructional material. Therefore, it is concluded that the question items need to be revised because they have differentiation between high school biology olympiad in the District of North Kayong and the National Biology Olympiad. The question package which was given in the preliminary phase test was 5% considered difficult, while in the final stage such difficulty was not found (0%). This research resulted in the dimensions of knowledge which indicates that there are 79% (63 items) being in the dimension of the factual, as much as 15% (12 items) in the conceptual, as much as 6% (5 items) in the procedural, while the metacognitive dimension is 0%. This research is a descriptive study consisting of two phases: the stage of designing test items carried out by four Biology teachers who joined the group, Science Teachers Council, and the test tryout phase given to 33 high school students of class XI. The analysis is used to provide feedback to students regarding their knowledge in the forms of factual, conceptual, procedural, and metacognitive traits. The purpose of this research is to find out the differentiation between high school biology olympiad in the District of North Kayong and the National Biology Olympiad.
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