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the sap of rubber trees help erase graphite
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∙ 15y ago
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Why they use pencil for writing?
you use a pencil for writing because you can erase your maskates
How do you observe friction when you erase a pencil mark?
i dont know because im not smart ....
What can you weight on a spring scale?
you can weight a paper clip ,a car key ,clip ,a led pencil , a pencil erase ,an ear phone , a watch a bead and an ear ring .
Why does rubber rub out pencil?
coz the Germans found out some scientific type of rubber that can rub out coins too
What metal is used in pencil?
Graphite (carbon), wood and rubber for the eraser.
Can you erase things with rubber?
Yes, we can erase pencil marks with rubber because erasers are made out of rubber
Who discovered that rubber could erase pencil marks?
Joseph Priestly.
What is the french word for ruber?
a rubber used to erase pencil marks is 'une gomme'
What was used to erase lead pencil marks before rubber came into user?
they used rat fur
What can erase lead?
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.
Why does rubber erase pencil?
Rubber has a high co-efficient of friction.
What is rubber made for?
at first the rubber is made to erase the pencil mark.
What is a pencil rubber?
A pencil rubber otherwise known as an eraser is used to rub out pencil marks on paper
What substance did Joseph Priestly name for its ability to erase pencil marks?
An eraser
Can ALL rubber erase pencil markings if not which ones can?
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.
How Can you leave scars on your wrists without cutting?
You can, like, with a pencil. Just do it hard enough, and it will mark. Just erase the pencil later on. And you can snap a rubber band onto the wrist. it will mark.
Can a pencil marking erase more than a color pencil?
if you have a good eraser yes. a good eraser will erase a lot of the colored pencil, but it will erase all of the normal pencil. it also depends on how dark the mark is.
