A Practical Example Using Boring Core Samples for Learning Materials in Elementary School Earth Science

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  • ボーリングコア試料を用いた地層の学習
  • —core samples versus partial penetration samples—
  • ―コア試料か部分ペネ試料か，それが問題だ―

Abstract

<p>Schools located in cities are surrounded by concrete and asphalt. Here, obtaining and observing strata is challenging owing to the lack of materials such as outcrops as well as the difficulty of securing travel time for field trips. Therefore, in this study, we first attempted to establish a method of observing the strata under a school ground using core samples to develop a teaching method that allows children attending schools in cities to learn about how the land under their schools and homes has formed. Second, we verified the effectiveness of the method, dividing the boring samples into core and partial penetration samples. Penetration samples are extracted broken sediments, so they were easier to use for identifying sediments. Moreover, the differences between strata and the sediments contained within them were unclear for children when using penetration samples. The results demonstrated that the geological properties of core samples are important as teaching materials, but their physical drawbacks must be considered when handling them. This study is the first of its kind to compare the learning effects and ease of handling of both types of core samples as teaching materials.</p>

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