I learned that when ight encounters(1)_______materials,
almost all of it transmit directly through them.Materials such us
(2)_______and(3)______are examples of transparent materials.If
light strikes on (4)______materials, only some of the light passes
through them.It changes direction many times and it scattered as it passes.
through and an example of them are (5)______and
(6)________.While (7)______materials block light from traveling
through them such as
(8)______,(9)________and (10)________