Layers of the Earth Play Dough

Materials

• 3 cups flour

• 1/2 cup salt

• 6 tbsps cream of tartar

• 3 tbsps vegetable oil

• 3 cups water

Directions

1. Add all ingredients to a pot, mix until all the lumps are gone.

2. Move pot to stove & cook over low heat, stirring often. The dough should thicken in a few minutes.

3. Once dough starts pulling away from sides, remove from heat. Cool in pot.

4. Divide dough into six balls: two small (golf ball-sized), two medium and two large.

5. Add several drops of food coloring into each ball. Small balls: 1 red, 1 green. Medium: 1 orange, 1 brown. Large: 1 yellow, 1 blue. Knead each ball separately to blend color.

6. Build the layers of the Earth.

   1. Red - the solid inner core

   2. Orange - the liquid outer core

   3. Yellow - the mantle (the thickest layer)

   4. Brown - the Earth’s crust (made of rocks)

   5. Blue & Green - the oceans & Earth

adapted from Playdough Plato