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7th Grade Science

Mr.Kang's Classroom Log 

Tuesday, December 05, 2006

Wednesday 11/29/06

What was done?
  1. We continued "Just Like Me" genetics activity.

What was collected?.
  1. Nothing.

What was assigned?
  1. Answer all questions on the "Just Like Me" packet.

Daily Science Fact
According to Musgrave Pencil Co. Inc, more than 14 billion pencils are produced in the world every year, enough to circle the earth 62 times. This pile of pencils includes a wide variety of styles and widths. If you've ever have taken a fill-in-the-bubble test, you're probably aware that pencils vary in darkness. The number printed on the side of the pencil indicates hardness and darkness of the graphite core: the higher the number, the harder the graphite core. Because a hard core leaves behind less of the graphite-clay mixture on the paper, it will have a fainter mark than a softer core.

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