Most scientific questions are based on

1.) opinions.

2.) hypotheses.

3.) observations.

4.) experimental data.

Most scientific questions are based on observations.

Science is a systematic and logical approach to discovering how things in the universe work. It is also the body of knowledge accumulated through the discoveries about all the things in the universe.

The word "science" is derived from the Latin word scientia, which is knowledge based on demonstrable and reproducible data, according to the Merriam-Webster Dictionary. True to this definition, science aims for measurable results through testing and analysis. Science is based on fact, not opinion or preferences. The process of science is designed to challenge ideas through research. One important aspect of the scientific process is that it is focuses only on the natural world, according to the University of California. Anything that is considered supernatural does not fit into the definition of science.

The scientific method

When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.

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The steps of the scientific method go something like this:

Make an observation or observations. Ask questions about the observations and gather information. Form a hypothesis - a tentative description of what’s been observed, and make predictions based on that hypothesis. Test the hypothesis and predictions in an experiment that can be reproduced. Analyze the data and draw conclusions; accept or reject the hypothesis or modify the hypothesis if necessary.