How to make Play DoughBy Robolab Technologies In Atal Tinkering Labs ATL
Add these ingredients to a pan. Stir thoroughly until the mixture is free of all lumps.
1 cup flour
1 cup water
1 teaspoon veggie oil
2 teaspoons cream of tartar
1/4 cup salt
Food coloring (your favorite color)
2) Heat over medium heat for about 3 minutes or until the mixture begins to thicken
Remove from heat. Let cool, then knead into desired consistency.
3) Store in an airtight ziplock bag
When heated, starch undergoes gelatinization. or thickening. This is due to hydrogen bonding between starch and water molecules. The granules of starch absorb water and swell up. The starch granules become a tangled, and lose all structure. This gives the play dough its unique texture. Play dough is actually an example of a gel. A gel is a colloid where a liquid is suspended in a solid. Other examples of gels are jelly and gelatin.