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Add a photoServings: 1
Ingredients
- 2 tsp Guar Gum
- 1 Tbsp. Borax Water Mixing bowl Food coloring
- 2 x Empty plastic soda bottles to store the liquids Zipper lock bag
Directions
- Making The Borax Water: Borax is a type of pwdr soap which is available in most grocery stores. Add in 1 Tbsp. Borax pwdr to 1 c. of water.
- Stir till most of the pwdr dissolves. Store the Borax Water in a jar or possibly bottle, and label the container "BORAX & WATER Mix". Remember which one c. of Borax Water will make many batches of "SLIME".
- Preparing The Guar Gum (available at health food stores): Measure 4 c.
- (approximately 1 liter) of hot water into a large mixing bowl. Add in 10 drops of food coloring - possibly green! SLOWLY (very slowly) stir in 2 tsp. of guar gum. This fine pwdr has a tendency to clump up if it is not stirred into the water slowly. After thoroughly mixing, pour the guar gum mix into a soda bottle and label it appropriately.
- Making Slime: Pour 1/2 c. of the guar gum mix into a clean zipper-lock bag. Add in 1 tsp. of the Borax Water mix which you made previously. Seal the bag and shake. Within seconds you'll have prepared your very own batch of SLIME! This gooey mix will retain its slimy properties for 1-2 days before finally turning into a watery mess. When the SLIME is no longer good, seal it in the zipper-lock bag and throw it away.
- Don't pour it down the drain.
- How Does It Work: It's gooey, slippery, sticky, really slimy and kids love it! Make up a batch of SLIME and you'll be the hit of any party.
- The mix of guar gum with Borax and water produces a slime-like material called a polymer. In simplest terms, a polymer is a long chain of molecules. As a model for these chains of molecules, picture in your mind strands of cooked spaghetti. If the polymer chains slide past each other easily, then the substance acts like a liquid because the molecules flow.
- If the molecules hook together at a few places along the strand, then the substance behaves like a rubbery solid called an elastomer. Borax is the chemical which is responsible for hooking the guar gum molecules together to create the SLIME.
- Guar gum is actually a vegetable gum commonly used as a thickening agent in various food products and cosmetics. Additional guar gum may be purchased at a health food store. The guar gum and water mix may only last a few days. You can prolong the shelf life of the mix by keeping it in the refrigerator.
- SAFETY PRECAUTIONS WITH CHEMICALS: Although these substances are not considered hazardous, you should treat all chemicals with care and wash your hands after handling. Don't taste or possibly eat any of the materials described in these activities. Don't pour any of these experiments down the sink. Clean up any spill immediately.
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