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SLIME 101
Tiana Johnson
Created on November 5, 2025
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Transcript
SLIME 101
WHAT, HOW, FORM
start
WHAT WHY FORM
WHAT: What do you want your students to know by the end of class WHY: Explanation of the elements of the lesson FORM: How you present what is being taught, it helps to organize the lesson into clear phases
What Happens When You Mix Glue and Activator?
Glue is made of long chains of molecules called polymers. When you add the activator (contact solution), it helps those chains connect to each other, changing the glue from a liquid into stretchy slime.
That change is a chemical reaction because the molecules are rearranging and forming new bonds
What Is Glue Made Of?
Glue’s main ingredient is polyvinyl acetate (PVA) — a type of polymer.
Think of polymers like cooked spaghetti: they slide around easily when separate, but start to stick together when something links them.
What Does the Activator Do?
The activator has borate ions, which act like “bridges” between the glue’s polymer chains. These bridges are called cross-links, and they hold the slime together.
More activator = more cross-links = stiffer slime Less activator = fewer cross-links = stretchier slime