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Sheldon Reese
20 May, 15:01
Science fair project
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Penelope
20 May, 15:23
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You can make a projector using convex lens and a mobile phone back of it
For more details search in you. tubeyou will get videos based on this
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Kenley Barrera
20 May, 15:39
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For Science fair project you can do convection current
Explanation:
Show how to do the process
and then make a model to demonstrate
Materials required:
Potassium Permanganate, beaker, bunsen burner, water and retort stand
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