Understanding Evolutionary Change within the Framework of Geological Time

Understanding Evolutionary Change within the Framework of Geological Time
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理解地质时代框架内的演化变化

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发表时间:
2007
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通讯作者:
J. Dodick
J. Dodick
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作者:
J. Dodick

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本文重点介绍了一种学习策略,旨在克服学生在理解地质时间框架内的进化变化方面的困难。纳入学习计划从恐龙到达尔文:从时间的角度来看进化,这一战略包括四个脚手架调查,学生操纵和批评一系列(视觉)表示的进化变化在地质时间。这些调查包括:(1)生物地层对比;(2)代表地球上生命随时间的发展;(3)比较不同时间尺度的大小;(4)时间尺度的演化。使用这种格式,学生建立一个更复杂的理解在地质时期的演变。一班以色列高中地球科学学生对这些活动进行了评估。课程后的结果表明,虽然困难仍然存在,但一般来说,学生们对地质时间的尺度及其与进化变化的联系有了更好的理解。Au Sein DE LA构造演化的研究
This paper focuses on a learning strategy designed to overcome students’ difficulty in understanding evolutionary change within the framework of geological time. Incorporated into the learning program From Dinosaurs to Darwin: Evolution from the Perspective of Time, this strategy consists of four scaffolded investigations in which students manipulate and critique a series of (visual) representations of evolutionary change in geological time. These investigations include: (1) bio-stratigraphic correlation; (2) representing the development of life on earth through time; (3) comparing the magnitude of different time scales; (4) temporally scaling evolution. Using this format, students build an ever more sophisticated understanding of evolution in geological time. These activities were evaluated with a class of Israeli high school earth science students. Post-program results indicated that, although difficulties still remained, generally, the students had a better understanding of the scale of geological time and its connection to evolutionary change. COMPRENDRE LE CHANGEMENT EVOLUTIF AU SEIN DE LA STRUCTURE