a full, unused standard pencil is 7.5 inches.
That is a physical change. The is no chemical change that takes place when you sharpen your pencil in a standard manner. I suppose if you sharpen it extremely fast, you could catch the pencil on fire, which would then be a chemical change.
With a pen it's about 10k With a pencil it's about 100k With a pen pencil with one lead it's about 3k
make a bunch of squares and fold them on both sides to make a triangle. make sure at bottom is a little sticky pencil in duck tape for flower stem. start to stick triangles on stem/pencil.
A polyhedron is a solid shape with many sides. The word "polyhedron" does not specify a number of sides.
A standard pencil has six sides.
There are 6 sides on a standard pencil.
The number of sides on a standard pencil is six. Down near the tip of a standard pencil, it is shaped like a hexagon, which is a six-sided polygon.
A pencil with one pinted end and one flat end, will have two sides (as the pointed end is all one surface), PLUS however many sides the body of the pencil has - in this case six, so the total willl be 8.