this is called mass and it can also be called weight but it is about weighing to find out if a little object weighs bigger then a bigger objector the opasiet.
Photo
|
Estimate
|
Weight
|
1.
|
5 kg
|
8 kg
|
2.
|
11 kg
|
2.5 kg
|
3.
|
40 kg
|
4.9 kg
|