Before measuring something, it is important to know which unit to use. Estimating its approximate size by comparing it with a more familiar object can help. In order to find a suitable unit of measure ...
When Sally Mitchell, a science teacher at East Syracuse Minoa Central High in Syracuse, New York, spoke to a group of students at the recent U.S. Department of Energy National Science Bowl, she ...
Canadians measure their height in feet and inches but record distances in kilometers, express the air temperature in degrees ...
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