Best way to determine the weight/volume of a grain of sand/salt

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SUMMARY

The discussion focuses on methods to calculate the weight and volume of grains of salt and sand, specifically through weighing a sample of 100 grains and using water displacement to determine volume. Jason, the poster, seeks alternative methods for a lab assignment, emphasizing that the process is more important than the results. The teacher's feedback indicates a preference for understanding the methodology rather than achieving precise measurements. Overall, the conversation highlights practical approaches to density calculation in a laboratory setting.

PREREQUISITES
  • Understanding of density calculation
  • Familiarity with water displacement method
  • Basic weighing techniques using a scale
  • Knowledge of sample size significance in experiments
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  • Research advanced techniques for measuring small sample weights accurately
  • Explore the principles of Archimedes' principle for volume measurement
  • Investigate the impact of grain size on density calculations
  • Learn about statistical methods for analyzing experimental data
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Students conducting laboratory experiments in physics or chemistry, educators designing lab activities, and anyone interested in practical applications of density measurement techniques.

soggybread
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I'm not looking into anyone giving me any answers here, but I just want to gather some ideas for a lab that requires me to calculate the volume and wieght (therefore, finding the density) of a grain of salt and sand.

I've thought about the idea of counting out 100 grains and then weighing them, then dividing it by 100 for weight. And to use a water displacement method to find the volume, again using 100 grains of salt.

Does anyone have any other possible ideas?

Any advice, input, and thoughts, would we well recieved.

Thanks,

Jason

P.S. - My teacher says that is a lab that will not work effectively. The teacher is more interested in finding out how I do the lab, not my lab results.
 
Last edited:
Physics news on Phys.org
>What moves at constant speed in straight line?
>What moves at constant speed in circle?
 
Your method sounds like the way most people would do it.
 

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