What are we cooking up in science class?

Gak Recipe

Ingredients:

  • 1 cup white glue
  • food coloring, your choice of color (optional: coloring can stain!)
  • 1 cup liquid starch
  • Pour glue and coloring in plastic container.

    Stir until color is thoroughly mixed in.

    Add starch a little at a time, stirring with a spoon or kneading with your fingers as mixture thickens.

    Keep stirring until mixture holds together like putty.

    Test with your fingers: if too sticky, add more starch in small amounts until mass is smooth and rubbery. 

     

    Silly Putty Recipe

    This will bounce and pick up pictures from the paper just like the name-brand stuff.

    • Add: 1/2 cup water to 1/2 cup Elmer's Glue (Not School Glue!)
    • Mix and add 3 drops of food coloring
    • Make Borax solution: Take 2 tablespoons borax (You can buy this at a grocery store) and add to 1 cup of water and stir.
    • Add 1/2 cup of borax solution to water and glue mixture
    • Stir and store in a plastic bag

    Mix well. Add food coloring if you wish. Let it dry about an hour. When ready, it will be smooth and rubber-like. Store in an airtight container.

     

    Oobleck Recipe

    Another interesting substance is called "oobleck." It also acts like a liquid until pressure is applied.

    Ingredients:

    • 4 parts cornstarch
    • 1 part water
    • food coloring is optional

     

    Glorax (Flubber) Recipe
    • Put 3 T. of water into a Ziploc bag.
    • Add 1 T. of white glue.
    • Add 2 heaping T. of Borax (laundry detergent). It must be Borax.

    Shape into a ball. If the mixture is too sticky, roll the ball in a little bit of Borax. Enjoy stretching this elastic substance.

     

    Lots of Recipes CLICK HERE!