Slime requires two main ingredients: polyvinyl alcohol (in this case, glue) and borate ion (in this case, borax). Slime forms because polyvinyl alcohol is attracted to borate ion. That attraction creates lots of long, sticky chains — or slime.
Here’s how to make your own batch of slime.
WHAT YOU’LL NEED
- School glue
- Borax
- About 1 cup of water
- One very large bowl
- Plastic spoon
- Measuring cup and spoon
- Disposable gloves
- Optional: Food coloring
WHAT YOU’LL DO
Step 1: In the bowl, mix 2 tablespoons of glue and ¼ cup of water. To make your slime a specific color, add food coloring to the mixture now.
Step 2: Put on your gloves. Add ¼ cup of borax to the glue/water mixture and stir slowly.
Step 3: As the slime begins to mix, start kneading it with your hands. It’ll be messy at first, but keep going until the slime is fully formed. Add more water to make the slime stretchy.
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