Assertion: matter's mass | /r/HasProperty | the amount of matter
Facets:
value: in science
type: LOCATION
value: in an object
type: LOCATION
Source sentences:
text: Mass is the amount of matter in an object.
text: The difference between the weight of an object and the mass of an object is that mass is the amount of matter an object has while weight is the amount of force on an object due to gravity.
text: In science, mass is the amount of matter an object has.