Lab: Density of Solids Answers

volumemassmaterial✔ density

The independent variable is the one that the scientist intentionally manipulates. In Part I involving the golf ball and table tennis ball, the independent variable was .

In Part II involving the inflated and deflated footballs, the independent variable was .

In Part III involving the baseball, the independent variable was .

Using proper units is important when recording data. In this lab, you determined three properties of the objects: mass, volume, and density. What are the units for each property? The units used for mass were . The units used for volume were . The units used for density were .

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If the diameter of the black marble is 3.0 cm, and by using the formula for volume, what is a good approximation of its volume? Record to the ones place. cm3 Determine the initial volume of water in the graduated cylinder. If you added the black marble to the graduated cylinder and it sinks, what final volume should the water level indicate? Record to the ones place. ⇒ 124 mL

You have discovered a meteorite that seems to be metallic. Its mass is 370 g, and you calculate the volume to be 50 cm3. Based on the three values provided, which metal would most likely match the composition of the meteorite?

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If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? Check all that apply.

✔ all of themcork and waxiron, lead, and aluminumnone of them

Which circumstances could be sources of error within the experiment? Check all that apply.not fully submerging the object when doing the fluid displacement procedurewater that is left behind in the collection container when it is transferred for measurementwater that soaks into the materials of the balls, affecting the mass in repeated trialsthe time of day when the measurements are recordedwater in the bucket, approximated to the closest 10 mL due to surface tension at the top of the bucketthe air pressure in the room and its affect on the scales that measure the mass of each object

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all of them✔ cork and waxiron, lead, and aluminumnone of them

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all of themcork and wax✔ iron, lead, and aluminumnone of them

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