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TIMSS: Eighth grade students reaching the high international benchmark of science achievement (%) is the share of 8th grade students scoring at least 550 on the science assessment. Students at this benchmark can demonstrate understanding of concepts related to science cycles, systems, and principles. They demonstrate understanding of aspects of human biology, and of the characteristics, classification, and life processes of organisms. Students communicate understanding of processes and relationships in ecosystems. They show an understanding of the classification and compositions of matter and chemical and physical properties and changes. They apply knowledge to situations related to light and sound and demonstrate basic knowledge of heat and temperature, forces and motion, and electrical circuits and magnets. Students demonstrate an understanding of the solar system and of Earth’s processes, physical features, and resources. They demonstrate some scientific inquiry skills. They also combine and interpret information from various types of diagrams, contour maps, graphs, and tables; select relevant information, analyze, and draw conclusions; and provide short explanations conveying scientific knowledge. Data reflects country performance in the stated year according to TIMSS reports, but may not be comparable across years or countries. Consult the TIMSS website for more detailed information: http://timss.bc.edu/