🧪 Science Spotlight: Is it a Solid or a Liquid? 🧪
Posted Date: 01/03/26 (07:37 PM)
Mr. Helleson’s class turned into a laboratory as students tackled a sticky scientific mystery: The Case of the Slime!
🔍 Phase 1: The Comparison
To kick things off, the class used a Venn diagram to activate their prior knowledge about the states of matter.Our young scientists shared some brilliant observations:
- Noah pointed out that while solids hold their shape, liquids take the shape of their container.
- Anna noted that both are made of atoms and molecules, but their movement and structure differ.
- Olive reminded the class that liquids can even "hide" solids, creating what we call a solution.
🧐 The Big Question
The room buzzed when Mo and Claire asked the ultimate question: "Is slime a solid or a liquid?"To find out, Mr. Helleson challenged the students to look at the molecular level. Are the molecules packed tight like a solid, or are they far enough apart to "tumble and roll" like a liquid?
💡 The Discovery: Non-Newtonian Fluids!
After some hands-on investigation and a deep dive into viscosity (thickness), the students discovered the truth: Slime is actually a Non-Newtonian fluid! Unlike water or a wooden block, slime’s behavior changes based on how much force you apply:- Gently handle it: It oozes and flows just like a liquid.
- Squeeze or mold it: It resists and acts like a solid!
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