a hypothesis
an expirement
...
No
yes they should be its important.
An important step in a scientific investigation is forming a hypothesis.
Cameras collect data in a scientific investigation.
first of all, don't say that second here is the answer A scientific investigation generally begins with observations that lead to a question, followed by the formation of a hypothesis to answer the question.
99% of the time.... sometimes you can skip a step or two if you have more then enough clues
relationship between scientific and philosophical method of investigation
Because you repeat investigation to look for errors.
A hypothesis is tested in a scientific investigation.
There is none
Scientific Method
scientific method