Hooked On Science – Leprechaun Snot


PLEASE follow these safety precautions when doing any science experiment.
• ALWAYS have an adult present.
• ALWAYS wear the correct safety gear while doing any experiment.
• NEVER eat or drink anything while doing any experiment.
• REMEMBER experiments may require marbles, small balls, balloons, and other small parts. Those objects could become a CHOKING HAZARD. Adults are to perform those experiments using these objects. Any child can choke or suffocate on uninflated or broken balloons. Keep uninflated or broken balloons away from children.

• Clear Glue
• Liquid Starch
• Green Food Coloring

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STEP 1: Add a few drops of green food coloring to 4 ounces of clear glue and mix. Describe the glue by its observable properties.
STEP 2: Combine the glue with 2 ounces of liquid starch and observe. Mix until you get the perfect batch of leprechaun snot. Describe the leprechaun snot by its observable properties.

The clear glue is a polymer, which consist of long chains of molecules. These chains easily slide past each other until the liquid starch, an activator, is added to the glue, creating a batch of leprechaun snot or slime.

Download these instructions here and check the Hooked on Science page for more science experiments.