How is the density of a substance calculated?

If the shape of an object is irregular, like a stone, how can you measure its volume?

If the volume of a cube of wood is 15.625 cm3 and its mass is 10.00 g, show the calculation for the density of the wood.

Question

How is the density of a substance calculated?  

If the shape of an object is irregular, like a stone, how can you measure its volume? 

If the volume of a cube of wood is 15.625 cm3 and its mass is 10.00 g, show the calculation for the density of the wood.

unklerhaukus · Answer

you could measure the volume of an irregular stone, by placing the stone into a measuring cylinder that is half full of water

the height the water goes up, will be the volume of the stone

unklerhaukus · Answer

|dw:1453694985980:dw|

unklerhaukus · Answer

Density is equal to  mass/volume

anonymous · Answer

i get it.

anonymous · Answer

can you explain that all in one sentence though?

unklerhaukus · Answer

attachment

anonymous · Answer

lol

anonymous · Answer

i mean those are different questions, 
A. 1.	How is the density of a substance calculated?

B. ?   If the shape of an object is irregular, like a stone, how can you measure its volume? 

C. 2.	If the volume of a cube of wood is 15.625 cm3 and its mass is 10.00 g, show the calculation for the density of the wood.

unklerhaukus · Answer

the density is calculated as the mass of the substance, divided by its volume