Dimensional Analysis/Density Quiz

Match the expressions to their resulting units.

• meters

• 
• kilometers

• 
• inches

• 
• centimeters

• 
• yards

• 

How many kilograms of calcium are there in 173 pounds of calcium? (1 lb = 454 g; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg

How many yards are in 1 mile? (3 ft = 1 yd) (5280 ft = 1 mi)

• 1670yds

• 5280yd

• 1760yds

• 5820yds

How many inches are in 1 mile? (5280ft = 1mi; 12in = 1ft)

• 66330in

• 63360in

• 63660in

• 63066in

How many hours are in 2 weeks?

1 week = 7 days; 1 day = 24 hours [Note: do not round answer]

• 672 hours

• 168 hours

• 336 hours

• 504 hours

Jonathan raised 60 goats, then he traded all the goats for sheep at an exchange rate of 5 goats for 7 sheep. Next, he exchanged all the sheep for hogs at a rate of 4 sheep for 2 hogs. How many hogs did he get?

• 62 hogs

• 42 hogs

• 84 hogs

• 86 hogs

You never learned dimensional analysis so you have been working at a fast food restaurant for 35 years wrapping burgers. Each hour you wrap 184 burgers. You work 8 hours per day, 5 days a week. How many burgers have you wrapped? (1 yr = 52 wks)

• 13,395,200 burgers

• 18,753,300 burgers

• 40,185,600 burgers

• 56,259,800 burgers

Which conversion factor would you use to convert 819 mL to L?

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Which units of measurement are used for volume?

• grams
• centimeters
• grams/milliliter
• milliliter