you get a pen or pencil and a bit of paper and start to draw.
Yes
a physical change
because the pen or marker will run and the pencil will not.Did this answer your question(if this did not you are a complete idiot):)
The primary constituent of pencil lead is graphite. It is a form of carbon that is soft and brittle, allowing for smooth writing or drawing on paper.
A pencil and paper.
A pencil and 2 pieces of paper.
The 'lead' or graphite in a pencil is softer. Try writing on paper, the pencil will write, the real lead will not
Coloured pencils have pigment embedded in the wax. When the pencil is rubbed against the paper, the tiny imperfections in the paper hold the wax that has the color. The principle is the same with wax crayons, but the pencil has much harder wax. To test this, colour a piece of paper with the pencil, then hold the drawing to a light bulb. You will find that the colours will "melt" with the heat and get a bit brighter. The wax was absorbed into the paper leaving the colour in the paper bits.
Here are some pros and cons of computer testing versus pencil-paper tests: Pros - easier to store, easier to grade, easier to administer, less materials. Cons - easier to cheat, technical difficulties
You can do calculations using a pencil to write on paper!
get a pencil and some paper and draw a dove with the pencil onto the paper
No, it is not recommended to sharpen a pencil with paper still attached to it as it may damage the pencil sharpener and prevent the pencil from being sharpened properly. It is best to remove any paper or plastic wrapping before sharpening a pencil.
When a pencil is rubbed on paper fiction causes a small amount of the graphite from the core of the pencil to be left on the paper. This leaves a visible mark.
A pencil has more mass than a paper clip no matter how big the pencil is.
Coloured pencils have pigment embedded in the wax. When the pencil is rubbed against the paper, the tiny imperfections in the paper hold the wax that has the color. The principle is the same with wax crayons, but the pencil has much harder wax. To test this, colour a piece of paper with the pencil, then hold the drawing to a light bulb. You will find that the colours will "melt" with the heat and get a bit brighter. The wax was absorbed into the paper leaving the colour in the paper bits.
Paper-and-pencil tests are generally questionnaires or inventories which ask questions or give simple statements to be marked yes or no, true or false. They are used most extensively in psychological testing. They can be given cheaply and quickly to large groups of people.