Measurements
length 8 cm, width = 6.2 cm, and height = 3.2 cm

find the volume of an irregularly shaped object using water displacement
start: 70ml
with rock its 72ml

1. why does the first method for determining volume work only for a regularly shaped object?
2. will the second method for determining volume work for any object or just an irregularly shaped one? why?
3. is one method of measurement more accurate than the other? why or why not?
4. would the displacement method of measurement work for a cube of sugar? what about a cork? why or why not?
5. what did you find out from this investigation? be thoughtful in your answer.