Make Your Own Chalk Stem Challenge

Make Your Own Chalk

Materials needed

• 10 eggshells


• 2 tsp of plain flour


• 4 tsp hot water


• food dye


• paper towel


• Clean the eggshells and leave them to dry.


• Grind the eggshells in a pestle and mortar or electrical grinder. As long as you have a fine powder, you are good with either method.


• Place the eggshell in a bowl. Mix two tsp of plain flour and hot water to make a stiff paste.


• Add the food dye of your choice and then transfer the paste to a paper towel.


• Roll the paste into a tube, and leave it to dry for a few days.


• Your chalk is ready, and so is the artist in you!

Copyright @smorescience. All rights reserved. Do not copy, cite, publish, or distribute this content without permission.

Join 20,000+ parents and educators
To get the FREE science newsletter in your inbox!