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DENSITY EXPERIMENT

DENSITY EXPERIMENT. By Christopher / 6A. Problem/Question. Problem: Will object with different density make something that fall to it fall faster than the ones that have less density? Question: Will different kinds of liquid make an object sink faster or slower?. Observation/Research.

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DENSITY EXPERIMENT

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  1. DENSITY EXPERIMENT By Christopher / 6A

  2. Problem/Question • Problem: Will object with different density make something that fall to it fall faster than the ones that have less density? • Question: Will different kinds of liquid make an object sink faster or slower?

  3. Observation/Research • Density is the mass compiled inside something that is compressed when something is getting smaller. For example when you compress a clay from a big one into a small one, it will have more density in it. The things with more density in it will make something sink slower than the ones with less density.

  4. Hypothesis • If the coin is put in the cola bottle, it will sink slower than in the water bottle.

  5. Independent Variable Different types of water: Oil, water and cola

  6. Dependent Variable In this case it would be the time needed for the coin to sink

  7. Control Variable The things that I keep the same are the bottles, coin and stopwatch.

  8. Experiment(Materials and Equipments)

  9. Experiment(1st Procedure) • We pour water, oil, and cola to 3 different bottles (transparent bottle) • Measure the time needed when you drop the coin to the water. • Repeat what you did to the oil and cola • Record the data Materials and equipment: oil, water, cola, stopwatch, bottles, coins Cola needed 5.89 seconds Oil needed 1,40 seconds Water needed 1,05 seconds

  10. Experiment(2nd Procedure) • We pour water, oil, and cola to 3 different bottles (transparent bottle) • Measure the time needed when you drop the coin to the water. • Repeat what you did to the oil and cola • Record the data Materials and equipment: oil, water, cola, stopwatch, bottles, coins Cola needed 5.54 seconds Oil needed 1.97 seconds Water needed 0.77 seconds

  11. Experiment(3rd Procedure) • We pour water, oil, and cola to 3 different bottles (transparent bottle) • Measure the time needed when you drop the coin to the water. • Repeat what you did to the oil and cola • Record the data Materials and equipment: oil, water, cola, stopwatch, bottles, coins Cola needed 5.27 seconds Oil needed 1.46 seconds Water needed 1.14 seconds

  12. Collect and Analyze Results(Data Table)

  13. Graph

  14. Collect and Analyze Results(Graphs) Modify the procedure if needed. Confirm the results by retesting. Include tables, graphs, and photographs.

  15. Pictures

  16. Conclusion So my hypothesis is right because when I put the coin in the oil and cola, it sinks slower than in the water because cola and oil has more density than water so an object sinks slower in it.

  17. Bibliography http://www.imcpl.org/kids/blog/?p=9042 http://encyclopedia.kids.net.au/page/de/Density ‎

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