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What else can I help you with?
What is used with chalk?
You can use it in homemade toothpaste recipes in place of baking soda. Also used in the construction trade when 'snapping' a chalk line on a board, etc.
Why is it possible to write on a blackboard with chalk?
Chalk is made of calcium carbonate, a soft mineral that leaves a visible mark when drawn on a rough surface like a blackboard. When drawn on the blackboard, chalk particles rub off and stick to the surface due to friction, creating a visible line.
Is used to write on the classroom chalkboard?
Chalk.
What type of rock used to write?
chalk!
A writing stick used for writing on a black board?
Chalk
It's urgent How would you find the number of 'chalk molecules' it takes to write your name on the board What would i need to do?
To find the number of chalk molecules it takes to write your name on the board, first measure the length of your name in centimeters. Next, estimate the thickness of the chalk line you would draw, then calculate the volume of chalk used by multiplying the length by the thickness. Finally, divide this volume by the volume of a single chalk molecule to determine the total number of molecules needed. You may need to use the density of chalk and the molecular weight to find the volume of one molecule.
What can sedimentary rocks make?
sedimentary rock can form rock such as sandstone that the Egyptian pyramids were built of or they can form the chalk that is used to write on the ground or on a black board.
Which of the following is normally used to write on a blackboard?
Chalk
What a piece of calcite is used to write or draw on blackboards?
It is chalk.
Why does a piece of chalk wear out as it is used on a blackboard?
With every stroke of the chalk piece it leaves some of the chalk on the board. This abrasion of the piece of chalk causes it to wear down. This is similar to why the rubber tyres of cars wear down when they are driven over a road surface.
Is chalk board eraser conductor or insulator?
It would be an insulator- chalk board erasers normally consist of two parts, a wooden handle and a soft pad that wipes off the chalk from the board. Neither of these parts are conductors of electricity.
Why your black board does look white after using again and again?
because the particles of the chalk or any other substance which is used to write on black board has very tiny particles which get attached with white board.
