________ is the capacity of a material to return to it´s original shape.
hardness
colour
elasticity
_________ refers to how resistant a material is to being scratched
hardness
elasticity
colour
We need light in order to observe the ________ of an object.
hardness
density
colour
_________ change happens when the matter is the same substance both before and after change
chemical
physical
_______ change happens when a new substance with a different chemical composition results from change.
physical
chemical
Example of physical changes are:
combustion, rusting, photosynthesis, digestion, fermantation
state, shape, size, position
Example of chemical changes are:
combustion, rusting, photosynthesis, digestion, fermantation
state, shape, size, position
