Lab: Density of Solids Answers

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 .

grams✔ cubic centimetersgrams/cubic centimeter

gramscubic centimeters✔ grams/cubic centimeter

Throughout the reflection, make sure you have a copy of the Student Guide, PDF or Word, and your data tables. Use the drop-down menus to complete the statements.

volume✔ massX materialdensity

✔ volumeX massmaterialdensity

X volumemass✔ materialdensity

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.

⇒ 124

✔ ball Aball BTheir densities are equal.

ball Cball D✔ Their densities are equal.

ball P✔ ball QTheir densities are equal.

ball X✔ ball YTheir densities are equal.

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?

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.

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