| NAME _______________________________________ | Density Data Sheet, p. 3 | 
| initial mass | mass after adding stack | mass of stack | |
| first stack | _____________ | _____________ | _____________ | 
| second stack | _____________ | _____________ | _____________ | 
| third stack | _____________ | _____________ | _____________ | 
| initial volume | volume after adding stack | volume of stack | |
| first stack | _____________ | _____________ | _____________ | 
| second stack | _____________ | _____________ | _____________ | 
| third stack | _____________ | _____________ | _____________ | 
| first stack | second stack | third stack | average | |
| calculated density | _____________ | _____________ | _____________ | _____________ |