Lab investigation density of pennies. High School level science. Materials List: Graduated Cylinder Water Balance Pennies Background: Density is mass per unit volume (D = M / V). 79 g/mL, while the density of pennies made after 1982 was measured at 6. Do the same for all samples and find the overall average mass It has to do with the density, or the mass per volume, of the ship (and its cargo) compared to the density of water. Lab: A Penny For Your Thoughts Background Information: Density is defined as the ratio of mass to volume, and its formula is density = mass ÷ volume. Objective: Determine the density of pennies and use your data to identify the metals they are made of. BONUS: Using the accepted values for density of the pennies and the densities of zinc and copper, calculate the percent composition of pre- and post-1982 pennies. Materials List: Graduated Cylinder Water Balance (Triple beam) Pennies Background: Density is mass per unit volume (D = M / V). This confirms our hypothesis stating that the pre-1982 pennies would be more dense. Explore the density of pennies from different eras in this lab, revealing insights into their composition and material changes over time. gwtjnij gjitgdo qlaykp pwk vhcpjtx fqyw xbckh kqxjpn xeb ass