Sunday, January 11, 2009

Weighing Fruits

Thank you to everyone who brought in fruit for this lesson! We had a great time using it in our Math and Science lesson. Students learned how to weigh the fruit using gram stackers and a pan balance. We began the activity by finding out the initial weight of various fruit and recording it into a data table.

Next, we cut the fruit and left it exposed over night. The following morning, we found the fruit had begun to "rot" and "shrivel." Our predictions were that the juices would "evaporate" into the air and the fruit would weigh less. After testing our predictions by weighing the fruit again, we found that it "lost weight!" Shocking!! We were able to then form conclusions about fruit losing weight as it is exposed to air for a length of time. What a great activity!


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