What Are Some Unique High School Physics Experiment Ideas?

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A 12th-grade physics group is seeking unique experiment ideas for a project due in four days, aiming for originality beyond textbook examples. One suggestion involves calculating friction coefficients by testing objects of different materials and weights on an inclined plane until they slide, allowing for the calculation of static friction. Another idea proposed is testing Bell's inequality, which could be complex but intriguing. The urgency of the project has led to a call for creative and feasible suggestions from the community. Engaging in these experiments could provide valuable insights into physics concepts while meeting the project's requirements.
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PLEASE, PLEASE HELP ME OUT! (12th grade project)

My physics group has been given an assignment to come up with some original experiment ideas . The experiment needs to be recording a 'sensible' variable. I came up with a great idea of building a resonance collumn, like a matchstick building and trying to see at which frequencies it becomes unstable.
My teacher said it was a 2nd yr university project, really complicated,blah.
Anyway, we have just 4 more days to come up with ideas of original, not textbook experiments and i was wondering whether anybody has any gr8 suggestions. I'm sort of in a panic :eek: now so PLEASE help out o:)
Any help will be appreciated

Lianah
 
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calculate friction coeficients.
place a objects of diffenet material and differnent weights on a plane and increase the angle until the objects begin to slide. record the angle it took to overcome static friction. with that, and the weight you can calculate the static friction coeificent.
just and idea
 
why not try testing bell's inequality? your teacher would most probably freak out...
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
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