0
What else can I help you with?
When you write on the board with a piece of chalk an irritating noise results when the chalk is held at some angles yet this does not happen at any other angles Why?
The irritating noise when writing on a chalkboard happens at certain angles due to a phenomenon known as "stick-slip motion." When the chalk is held at these angles, it alternates between sticking and slipping on the board surface, creating vibrations that produce the noise. At other angles, the chalk moves more smoothly without the stick-slip behavior, resulting in no noise.
Why it is possible to write on rough black board?
It is easy to write on a rough blackboard. The friction between the chalk and the rough surface is what allows the chalk to leave behind the chalk dust that we see. Actually it would impossible to write on a theoretically smooth blackboard. Without the friction, the chalk would not leave any residue!
Why does the blackboard seems black?
A blackboard appears black because it reflects very little light, absorbing most of the light that hits it. The dark color of the board helps to contrast with the white chalk used to write on it, making the writing clearly visible.
Write in shortened form 3 cubic metres?
You can write 3m3
How do you write the sound you make when you fall?
I just say bump, or crashed.
Is used to write on the classroom chalkboard?
Chalk.
What is a piece of slate on which to write on with chalk named after a color?
A chalkboard is a piece of slate on which to write with chalk and is named after the color "black".
What rock do you use to write on a chalkboard?
Chalkboards are typically written on with chalk, which is made from calcium sulfate mineral known as gypsum. This material leaves a distinctive mark on the slate surface of the chalkboard.
Why can'tyou write properly with a chalkon a glass sheet?
A chalkboard is tough and scrapes the chalk which leaves chalk behind so you can write. Glass is smooth and doesn't scrape the chalk, so it leaves no marks.
How can I write neatly on a chalkboard?
To write neatly on a chalkboard, hold the chalk firmly and at a slight angle. Write slowly and steadily, using your wrist and arm to guide the movements. Practice your handwriting and spacing to improve legibility. Keep the chalkboard clean and erase any mistakes promptly.
Why chalk is write on the board?
Chalk is able to write on a board because of its soft texture. When dragged across a rough surface like a chalkboard, the chalk leaves behind particles that stick to the surface, creating readable markings.
When does a chalk stick make a sound?
A chalk stick makes a sound when it breaks or when it is used to write on a surface like a chalkboard. The sound is created by the friction between the chalk and the surface or by the chalk snapping or tapping against something.
What do you use with la tiza?
You use la tiza (chalk) with a chalkboard to write or draw. It is commonly used in classrooms to write notes or draw diagrams.
What is the difference between a chalkboard and a blackboard?
There is no difference between a chalkboard and a blackboard; they are two different terms used interchangeably to refer to a smooth, dark surface on which you can write with chalk.
Can you write on the chalkboard for the class?
Yes, I can write on the chalkboard for the class.
How can I make chalk paste?
To make chalk paste, mix equal parts of water and cornstarch until smooth. Add food coloring for color. Use the paste on a chalkboard or other surface, let it dry, then write or draw on it with chalk.
What is black when its clean and whit when its dirty?
The answer to the riddle "What is black when it's clean and white when it's dirty?" is a chalkboard. When a chalkboard is clean, it appears black; however, when you write on it with white chalk, it becomes "dirty" and takes on a white appearance.
