Eight Layer Density Column Lab

Conclusion: The purpose of this lab was to find the relationship between the mass and the volume of the four samples. The densities from least to greatest were shortest(4), short(3), medium(2), and longest(1). Density can vary with temperature, and that could cause errors in the collected data. A real world application of density is icebergs. Icebergs float because they are less dense than the water around them. The icebergs are made of frozen freshwater but they are surrounded by very cold salt water. Initially, salt water has a higher density than freshwater and the low temperatures of the water cause the density to increase even more. The salt water and its increasingly high density allows for the less dense icebergs to float. Knowing this about density is good to know so we can figure out how things in the world work, like how and why massive icebergs float in the middle of the

V=D*M V=7.042*5.0 V=35.21 g/mL 3. Based on previous experiences the following substances in order from the lowest density to highest are, styrofoam peanuts, pine 2” X 4” board, water, and finally, lead pipe. Styrofoam and pine have a lower density than water because they float. Furthermore, pine has a greater mass than styrofoam therefore, a less density than pine.

because each of the objects displaced the water by 1 mL, their mass over that mL is their density.

Purpose: Weighing objects. Figuring out the density with an object by calculated volume and Archimedes’ Principle.

1. Objective: My objective for this experiment is to find the mass, volume, and density of a variety of objects. After this, I will record my data and place a select few of the items on a graph. My hypothesis for this experiment is, "If I measure the mass of every object, the wooden ball will have the least because it seems to be the smallest and most lightweight. " 2.

Procedure: I used a ruler, thermometer, and scale to take measurements. I used a graduated cylinder, short step pipet, scale, and ruler to determine volume and density. I used a volumetric flask, graduated pipet, pipet bulb, scale, and glass beaker to determine concentrations and densities of various dilutions.

Experiment 2 “Density” was about how to measure the mass and volume and determine the density of water, alcohol, and a solid. For this lab, we begin by calculating the mass of empty graduated cylinder and the mass of 25 mL of tap water. After taking the mass of water and cylinder, we record it on “Density of Water: Data Table”. Since we did not have enough time of complete the whole lab, so we skipped the procedure to measure the density of alcohol. We jumped to the next procedure, which was density of a solid. For that we used a copper and it density 8.95. For this lab, my partner and I did not make any mistakes or errors. But, for better improvement I think we should have more time to complete the whole lab. I felt like we was rushing through

2. In order to calculate the density of a solid or liquid sample, what measurements are needed?

In this lab, the density of 20 glass beads were determined using two different methods and the results were compared to see how close the values were to each other. In first method the volume of each individual bead was measured using the diameter of each bead, along with the mass. In the second method the beads we treated as a whole unit. The total mass was measured and volume was measured based on the amount of water that was displaced in a graduated cylinder. Then, the beads were swapped with 20 different glass beads of the same type. The procedure was repeated and the results were compared to the data of the first bead set to look for any systematic errors that may have occurred. During the experiment, the data was

In Measuring and Understanding Density, several experiments were performed to find density of regularly shaped objects, irregularly shaped objects, liquids and gasses. An additional experiment was done to find the specific gravity of a sampling of liquids. The purpose of the experiment was to provide a better understanding of density and to be able to extrapolate unknowns based upon these calculations. The experiments yielded data in keeping with Kinetic-molecular theory in regards to the density of water versus its temperature. Key measurements and formulae were also used to determine densities of metal and plastic objects as well as irregularly shaped rocks. It is possible to find the density of an object (be it liquid, gas or

Density of a solid Step 1. Pour the sample of liquid from the flask to its containers. Rinse the flask with a small amount of acetone and dry it thoroughly. Step 2.

When the mass of an object or substance is increased then the density will also increase, direct relationship, and the object will float. Table 1 and 2 on the Density Simulation packet has shown a direct relationship with mass and density. The mass of table 1 is 1 kg, the volume is 10 L and the density is 0.1 kg/ L. The mass of table 2 is 2 kg, the volume is 10 L and the density is 0.2 kg/L. As shown, when the mass rose and the volume stayed the same the density increased.

The experiment used a Vernier caliper to measure the height and the diameter of a cylinder. A Vernier caliper was also used to measure the diameter of the sphere. A meter stick was used to measure the length, width, and height of the wooden block. The precision of an instrument such as a Vernier caliper or a meter stick determines how many significant figures the data is presented in. The mass of the objects being tested will be measured using an electronic balance. The equations used in this experiment to determine the volumes were the volume of the cylinder: πr2h; volume of the block: (length)*(width)*(height); and the volume of the sphere: (4π/3) (r3). The volumes of these objects will be divided by their respective masses to determine the density of each object.

The density of a homogeneous liquid is also defined by the amount of mass per unit volume. Liquid is usually confined in a container, so its volume is relative to the volume of its container [2].

Density: the compactness of a substance. That is the first thing that came to mind when I saw that diet coke floated in water and the cherry coke that sank in water. My group members and I measured the density of all three substances (diet coke, cherry coke, and water) and collected the data to see if density really was the cause. Based on our results, it turns out density really is the reasons diet floats and cherry sinks. After we collected our data from the lab, we did many calculations and found that the diet coke average density was 0.950 g/ml, cherry coke was 1.0 g/ml, and water was 0.990 g/ml. Based on the universal definition of density, the mathematical reason why diet floats in water and cherry coke sinks is because the density of