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This on-line project is part of the Center for Improved Engineering and Science Education (CIESE) program which has developed internet activities for the elementary, middle, and high school level student. In the course of the project, students learn about Eratosthenes and his experiment, do a similar experiment by collaborating with other schools, and analyze and reflect on the collected data to determine the accuracy of their measurements and what they learned. The project provides instructions, activities, reference materials, on-line help, and a teacher area.
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