Density Review

 

D = m/v       mass divided by volume   NOT  volume divided by mass

 

units of density when measuring liquids     g/ml       

units of density when measuring solids      g/cm3       

 

density of water:                    1.0  g/ml       because it floats on water

density of oil:                           < 1.0  g/ml

density of copper penny           > 1.0  g/ml     because it sinks in water

ScholAR® Density Column Demonstration

 

1. Which substance has the least density  (blue, red, or yellow)

2. How do you know?

3. Which substance has the most density (blue, red, or yellow

4. How do you know