によって Ryan noobinbs 13年前.
459
New Map
classification of matter
materials
A materials is a substance that is used for making object
Main topic
matter can be classified based on their physical properties
Subtopic
flexibility
hardness
the ability of a material
to withstand wear and
scratches
strength
the ability
of a material to
support a heavy
load without breaking
or tearing
density
mass per unit
volume of a material
mass
DENSITY= -------
volume
