science experiments What can be the interesting science experiments that can be performed in a science exhibition by a high school student? could you please explain the procedure  too.

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The procedure you need to follow is the scientific method. Ask a question or state a problem you want answered. Then, do research about what is known on the topic. Formulate a hypothesis--a possible answer to your question. Design and perform a controlled experiment. Do data analysis and come up with conclusions. Share out your findings. What about something to do with obesity in young people? That is a very important issue these days.

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I think you should find something that will have an impact on teens. For example, I have heard of people making batteries out of lemons or solar batteries. Why not design a new cell phone charger that works off solar, for when you don't have a power outlet?
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