1. Observation and 2.Create a question
Scientists believe that nature is orderly and measurable- that natural laws such as the
laws of gravity, do not change with time or natural event and phenomenon can be
understood more carefully through observation.
To measure
Use tools, for instance, microscope enable to see objects that could not never seen
by naked eyes.
For example :
Alexander Fleming observed the inhibition zone around mold (Penicillium species)
and have developed to produce for penicillin in the present.