MONSTER FLESH A form of play dough

be used as a modeling material by itself or mixed with baking soda and used like Monster Flesh.<br><br> PROCEDURE 1. Materials needed: Materials to prepare Monster Flesh, a form of play dough 1 cup flour ½ cup salt (sodium chloride, NaCl) 1 teaspoon alum (available from drugs stores. This may be ammonium alum, potassium alum, or sodium alum) 2 tablespoons vegetable oil ½ cup water food coloring large bowl or beaker (1000-mL) for mixing plastic zip lock bag Materials to use this as Monster Flesh baking soda (sodium bicarbonate, Na 2 CO 3 ) citric acid (sour salt), or lemon juice, or vinegar water plastic cup or glass plastic bone, popsicle stick, or waterproof toy figure 2.<br><br> Safety Precautions Alums are irritants. Wash your hands after handling it. Small amounts are not toxic.<br><br> If ingested, contact a physician or a Poison Control Center. Citric acid is an irritant. Wash your hands after handling it.<br><br> All other materials used in this experiment are not toxic. You should make it a practice to wash you hands after handing the Monster Flesh. 3.<br><br> Experimental Procedure A. Making Monster Flesh Mix the flour, salt, and alum together in the mixing bowl or beaker. Add the vegetable oil and mix well.<br><br> Add 8 to 10 drops of food coloring to the water and stir. Add the water a little bit at a time, mixing well between additions. Continue to add water until the material feels like dough.<br><br> Don 9t worry if you do not use all the water. Store the Monster Flesh in the plastic bag. It will keep longer if refrigerated.<br><br> B. Using Monster Flesh To make a monster and then dissolve the flesh off its bones, take some monster flesh and mix it with some baking soda. Knead it well to get everything well mixed (If the mixture gets too dry, add a small amount of water).<br><br> Take a small toy figure, toy skeleton, plastic dog bone, or a popsicle stick and apply the monster flesh to it molding it into a monster (or other creature). To dissolve the flesh off the cmonster d, measure a teaspoon of citric acid and add it to a cup (8 ounces) of water. (You can use 3-4 tablespoons of lemon juice or vinegar.) Stir well.<br><br> Add the monster and watch it sizzle. You can also dissolve monster flesh by holding the monster flesh-baking soda mixture in your hand over a sink and pouring some vinegar onto it. All liquids used can safely be poured down the drain.<br><br> Throw all solid waste into the trash. 4. Disposal Monster flesh may become moldy after a week or more.<br><br> It can be disposed of in the trash without any special precautions.

less