Density Lab Report Essay

670 Words Nov 20th, 2012 3 Pages
Lab Report
Name: Period:

How do you calculate Density?
What units did you use for volume, mass, and density?
When the cubes are placed in water which one will sink 1st?
What is the ranking of the cubes lightest (1) to heaviest (10)?
Is it true that the cube with the most mass will have the most density?

I think the 1st cube was aluminum
I think the 2nd cube was steel
I think the 3rd cube was brass
I think the 4th cube was copper
I think the 5th cube was acrylic
I think the 6th cube was oak
I think the 7th cube was pvc
I think the 8th cube was pine
I think the 9th cube was poplar
I think the 10th cube was nylon

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I thought the 9th cube was poplar I was right.
I thought the 10th cube was nylon, I was wrong, it was acrylic.

To calculate density you divide the objects mass by its volume.
The units I used for volume were cm, for mass g, for density g/cm3.
When the cubes are placed in water the one that will sink first is the black cube because it has the most mass and is the most dense.
The ranking in cubes from lightest to heaviest is; dark wood, white plastic, light wood, medium wood, clear block, gray plastic, shiny solid gray, gold colored cube, dull penny, and the black.
No, it is not necessarily true that the object with the most mass has the most density, because the volume could vary. But, in this situation the object with the most mass is the most dense because all of the volume’s are the same.

During my density lab I made a make a big mistake. This mistake was calculating the density wrong, because my volume measurement was incorrect my density measurement was also incorrect. The reason that my volume was wrong was because my partners and I used the wrong side of the ruler and just estimated the value in centimeters. But, at the end of my project when i figured out my volume was wrong I rewrote my graph using the correct volume. My project is now

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