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By: Jessica and Ella

By: Jessica and Ella . Our PHAT Q uestion. How do you make Silly Putty? How does mixing water, glue, and Borax make Silly Putty?. What You Will Need. You will need… 2 containers (1 smaller than the other, preferably a film canister) Water Food coloring

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By: Jessica and Ella

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  1. By: Jessica and Ella

  2. Our PHAT Question • How do you make Silly Putty? • How does mixing water, glue, and Borax make Silly Putty?

  3. What You Will Need • You will need… • 2 containers (1 smaller than the other, preferably a film canister) • Water • Food coloring • PVA glue (a type of white glue also known as Elmer's glue) • Borax solution (ratio of about 1 Table Spoon of borax to a cup of water) Borax is a white mineral also used in salt.

  4. Instructions • Fill the bottom of the larger container with PVA glue. • Add a few squirts of water and stir. • Add 2 or 3 drops of food coloring and stir. • Add a squirt of borax (possibly a bit more depending on how much PVA glue you used). • Stir the mixture up and put it into the smaller container. By now the mixture should be joining together, acting like putty, crazy putty!

  5. Why It Happens • The Elmer glue you use is a type of polymer called polyvinyl acetate (PVA for short), while the borax is made of a chemical called sodium borate. When you combine the two in a water solution, the borax reacts with the glue molecules, joining them together into one giant molecule. This new compound is able to absorb large amounts of water, producing a putty like substance which you can squish in your hands or even bounce.

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