non working
you can make on the topic of conductor and non-conductors
You can make working or non working models that show the use of math in every day life easily. Simply do something with counting money.
working model of earthquake
There are a few ways to make an English working model. The exact model details depend on the type of English working model you want.
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Working model for what, exactly?
working model of nervous system
working model on Articles
how to make working model of industries
In a class 6th working model of the water cycle, you can demonstrate the process using simple materials like a glass of water, plastic wrap, and a lamp. Place the glass of water in a container, cover it with plastic wrap, and place the lamp over it. As the water heats up from the lamp, it evaporates, condenses on the plastic wrap, and eventually drips back into the glass, simulating the stages of the water cycle.
There are so many ways that you can make a working model on sound. One way to create a working model is to sing.