Heekyong Kim

POWER LAWS IN NONLINEAR GRANULAR CHAIN UNDER GRAVITY

The signal generated by a weak impulse propagates in an oscillatory way and dispersively in a gravitationally compacted granular chain. For the power-law type contact force, we show analytically that the type of dispersion follows power-laws in depth. The power-law for grain displacement signal is given by

Exploration, Conflicts, Challenges, and Changes: A Teacher Educator's Self-Study for Secondary School Physics Instruction Course

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Analysis of Characteristics of Gifted Students in the Science Gifted Activity using Rainbow

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The Features of Peer Argumentation in Middle School Students' Scientific Inquiry

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The Exploration of Open Scientific Inquiry Model Emphasizing Students' Argumentation

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Developing the Indicator System for Diagnosing the National Status Quo of Science Culture

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Analyses of the Basic Inquiry Process in Korean 3-10 Grade Science Textbooks: Focused on Observation and Measurement

denote depth and the exponent of contact force, and the power-law for the grain velocity is

Exploring the Pre-service Science Teachers' Emotional Experience, Display Rules, and Controlling Strategies During Teaching Practice

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Secondary School Students' Images of Doing-Science-Well

. Other depth-dependent power-laws for oscillation frequency, wavelength, and period are given by combining above two and the phase velocity power-law

Exploration on the Features and Possibility of Self-Study in Science Education Research: Based on the Theoretical Background and Previous Researches

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