This is called scientific method. First; you start off with a question, and then you try to guess an answer to your question with a hypothesis, then you run an experiment and analyze the results and come to a conclusion.
a hypothesis
Scientists test hypothesis by setting up an experiment. They choose a independent and a dependent variable and test the experiment.
Scientists then state another hypothesis and test it out with another experiment.
if your referring to the scientific method, scientists test the dependent variable
...perform a scientific experiment designed to shed light on the hypothesis.
Amend or discard the hypothesis
hypothesis/prediction
A theory
Scientific Method
a hypothesis
Scientists test hypothesis by setting up an experiment. They choose a independent and a dependent variable and test the experiment.
scientists test their hypothesis buy making observations or doing research
scientists test their hypothesis buy making observations or doing research
Scientists then state another hypothesis and test it out with another experiment.
if your referring to the scientific method, scientists test the dependent variable
Test
In a lab or wherever they can conduct an experiment