Joseph Priestly.
Write a number with a pencil. If you erase it, then it DISAPPEARS!
A magical pencil could have the ability to bring drawings to life, allowing artists to see their creations move and interact with the world. It might also change colors based on the emotions of the user, reflecting their feelings through vibrant hues. Additionally, it could erase mistakes with a simple flick, granting users the freedom to experiment without fear. Overall, this pencil would inspire creativity and imagination in ways that transcend traditional art supplies.
you write your work down on paper with a pencil and if you mess up, use an eraser to erase your work.
The number "621" printed on a Nataraj pencil typically refers to the pencil's grade or hardness level. In the case of Nataraj pencils, "621" usually indicates that the pencil is of standard HB (hardness and blackness) grade, which is commonly used for general writing and drawing purposes. The number system helps users identify the pencil's specific characteristics, such as lead hardness and darkness, making it easier to choose the right tool for their needs.
an eraser erases by the material it is made of and rubber is one of those materials, it mostly makes lead "dissapear" from the paper because of friction Also, if you rub someone's face with an eraser it will make their face disappear from their head because of friction!(not)
Yes, we can erase pencil marks with rubber because erasers are made out of rubber
Erasers can erase lead. Although, rubber can erase lead, too; erasers are made of rubber. You can use a rubber ball to erase writing from a pencil.
Rubber has a high co-efficient of friction.
at first the rubber is made to erase the pencil mark.
The concept of an eraser can be traced back to ancient times when people used breadcrumbs or soft materials to rub out errors. The modern rubber eraser was invented in the late 18th century by Edward Nairne, who discovered that natural rubber could erase pencil marks effectively.
You can erase pencil without an eraser by using a piece of bread or a rubber band. Just gently rub the bread or rubber band over the pencil marks to lift them off the paper.
Rubber is able to erase pencil marks because it has a sticky and abrasive surface that lifts and removes the graphite from the paper. When rubbed against the paper, the friction created by the rubber loosens the graphite particles, allowing them to stick to the rubber and be wiped away.
a rubber used to erase pencil marks is 'une gomme'
Depends on the brand of eraser, because some are very bad, and erase some, not all, but as long as it's classified as an eraser in the store, it can erase all pencil markings.
they used rat fur
The easiest pencil to erase on the market is a mechanical pencil with HB lead.
Rubber is able to erase pencil marks because it has a sticky surface that adheres to graphite particles on the paper. As the rubber is rubbed against the paper, it picks up and removes the graphite particles, effectively erasing the pencil marks.