Lots of pencils are painted yellow, a tradition that began long ago.
Pencil makers chose bright yellow to show their pencils were special, and many are still yellow today.
💡 Đồ dùng học tập — Fun Facts
Fun “Did you know?” facts about Đồ dùng học tập — tap through 10 at a time!
One pencil can draw a line about 55 kilometres long.
That is longer than a very long road! One little pencil holds an amazing amount of writing.
Crayons are made from colored wax that can melt if it gets too warm.
That is why crayons go soft on a hot day. When they cool down, they turn hard again.
Paper is made from trees that are turned into soft, mushy pulp.
Wood is mashed with water into a mush, then flattened and dried into thin sheets. That is how we get paper!
Most pencils have six flat sides so they don't roll off the desk.
A round pencil rolls away, but a six-sided one stays put. Clever shape for a busy desk!
An eraser makes tiny crumbs that lift pencil marks right off the paper.
When you rub, the eraser grabs the little bits of graphite. That is why crumbs are left behind!
A pencil writes with a soft grey material called graphite, not lead.
People used to think it was lead, but it is really graphite mixed with clay. It slides onto paper to make a mark.