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| | 7 (Site not responding. Last check: 2007-10-22) |
 | | The remaining halves (which may be further cut into quarters) are then exposed to various physical effects which the class determines. |
 | | For example, several samples could be exposed to water, buried in damp soil, taped to the window, put in the freezer or over a heating vent, taped to the floor in the traffic pattern, or touched daily by the class as they enter the classroom, etc. |
 | | This book about the lost Franklin Expedition is guaranteed to spark interest in how conditions affect objects (dead bodies, in particular). |
| collections.ic.gc.ca /roedde/junk/ocr/7.htm (793 words) |
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