Why is liquid also a solid
Weird Materials

Why Is Liquid Also a Solid?

A strange liquid in the kitchen suddenly turns solid when Milo taps it… and melts again when he stops. What kind of material behaves like both?
🧑🏻
8–12
⏱
3 min
🔬
Non-Newtonian Fluids
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Scene 1 – The Strange Goo

Milo stared at the bowl on the table.

Milo: “That… does not look normal.”

Nova dipped her finger into the white mixture.

It slowly sank in, like thick milk.

Nova: “It feels soft.”

Milo poked it carefully.

His finger slid right in.

Milo: “Okay… just weird slime.”

Dr. Zaptain smiled slightly.

Dr. Zaptain: “Try hitting it.”

Milo blinked.

Milo: “You want me to punch the bowl?”

Dr. Zaptain: “For science.”

Milo raised his hand and slapped the surface.

THUD.

He pulled his hand back instantly.

Milo: “OW!”

[ILLUSTRATION: Milo hitting a bowl of white oobleck-like substance that suddenly looks solid while Nova watches in surprise]

Milo: “That was HARD!”

Nova leaned closer.

Nova: “Wait… it was soft a second ago.”

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Flashcard

Non-Newtonian Fluids

SCIENCE FLASHCARD

Concept

Some materials can act like both a liquid and a solid. These are called non-Newtonian materials.

How it works

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Example

Cornstarch and water (oobleck). Quicksand. Some types of slime.

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