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Wick System

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

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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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Food Web

Role play a food web scenario

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Snake Puppet

Make a spinning snake

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Friction - Propagation

A box that moves on a piece if string!

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Chlorophyll Extraction

A simple method to extract the green pigment, chlorophyll, from leaves

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Measuring Lengths and Distances - Using String

Length measurement of non-geometrical shapes using strings.