# data[].attributes.body
I found
Mass = 45.1 g
Volume=15 L
Density= 3 g

# data[].attributes.body
we used a triple beam balance to find the mass of the cube .Then I did length times width times height to get the volume
then you take thee numbers times your three number that u got u found the volume of a cube then take mass divide volume and that how get answer

# data[].attributes.body
Is to find the density of a cube dovolume divide by man to find density of a cube.

# data[].attributes.headline
This is was density is  degree of compactness of a substance

# data[].attributes.subject
This is was density is  degree of compactness of a substance