new zealand
No. Pencils were not invented in that time. They did wrap graphite in string to use like a pencil. The first pencil was invented in 1666 in Nuremburg, Germany.
for 99 years
It appears that by the 1700s some "modern" lead pencils were being created in Germany, but it is more likely that pencils of this period were graphite in some sort of wrapping such as paper, string or encased in a tube which could be wood. You can find more info at: From: http://www.earlyofficemuseum.com/pencil_history.htm
around 1500 maybe before
shelves,pencils,and food
Yes, pencils were commonly used in schools in 1940 for writing and drawing purposes. Pencils were a popular writing tool due to their affordability, convenience, and ease of use.
You are using rock.
Electricity is not made by pencils: Electricity can pass through pencils since they are made using graphite which is a good conductor.
Use the black and white color pencils.
pencils were sharpened using a knife or any sharp blade.
Lead was never actually used in pencils. The "lead" in pencils is actually a mix of graphite and clay. The switch to using graphite in pencils occurred in the 16th century.
1955
You can find pencils at the school island. You'll have to dig them up using the metal detector.
10 x 5?
The number of pencils in 1.00 moles of pencils can be calculated using Avogadro's number which is approximately 6.022 x 10^23. So, in 1.00 moles of pencils, there would be approximately 6.022 x 10^23 pencils.
Kids should be able to use them when they are more careful with what they are doing. I think I started to use them between third and fourth grade.