Use each terms below just once to complete the passage.
(1)experimental results ,(2) experiment(s), (3)hypotesis ,(4) laws ,(5) scientific journals , (6)theory ,(7) valid ,(8) verify.
When (experimental) results are reported in (scientific journals) other scientits may try to (verify) the results by repeating the (hypothesis). Usually when a(n) (experiment) is supported by data from several scientist, it is considered (valid). Over time,a hypothesis that is supported by many observations and experiments becomes a (theory). Some well-established facts of nature, sush gravity ,are recognized as (laws).