|  | [教学设计]VolcanoMonitoringandResearch | | (编者提示:人教版自然第11册第21课 火山) It has been said that the science of "volcanology" originated with the accurate descriptions of the eruption of... | 日期:2007-04-22 点击:1 |
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|  | [教学设计]ExtraterrestrialVolcanism | | (编者提示:人教版自然第11册第21课 火山) Volcanoes and volcanism are not restricted to the planet Earth. Manned and unmanned planetary explorations, beginning... | 日期:2007-04-22 点击:0 |
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|  | [教学设计]Whycan'tIfindit? | | Advance preparation: No advanced preparation is required for this lesson on the first day, however, you will need to hide the "animals" the students drawn in... | 日期:2007-04-22 点击:0 |
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|  | [教学设计]Howdiditgetbigger? | | Advance preparation: No advanced preparation is needed for this lesson. Materials: 1. One balloon per student (NOT the long "skinny" kind) 2. One cloth... | 日期:2007-04-22 点击:1 |
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|  | [教学设计]Howdoweseparateoilfromwater? | | Advance preparation: No advance preparation other than gathering materials is needed for this lesson Materials: Each group of students will need the following:... | 日期:2007-04-22 点击:0 |
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