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Wick System

Model of how roots of a tree take water as per their need

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Simple Machines - Ice Cream Stick Links

Make a lifting jack using ice cream sticks

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Soil Properties - Water Percolation Rate

Measure the water absorption and percolation rate in different kinds of soil....

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Friction - Sandpaper

The simplest way to remove rust

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Food Web

Role play a food web scenario

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Archimedes Screw

Build an ancient "pump", invented by Archimedes and named after him, using...