First, they should have right ideas of things, ideas that are based on careful observation, and understand causes of effects and their significance correctly.
Science rests upon observation.
Observation is a passive science, experimentation an active science.
A good theory is characterized by the fact that it makes a number of predictions that could in principle be disproved or falsified by observation.
He has an acute sense of observation.
The very sick baby was under careful observation by the doctors.
What is especially important is the observation of the traditional values.
This airport doesn't have as many flights as New Chitose Airport and even looking from the observation deck at first there were no planes.
There are four major parts to the atmospheric problem: observation, understanding, prediction, and control.
The data presented in his book are not based on scientific observations.
A careful observation will show you the difference.
He is accurate in his observation.
He went to France not so much for sightseeing as for observation.
Science is based on very careful observations.
Images taken by the JAXA Earth observation satellite, 'Daichi'.
Close observation is necessary for the experiment.
In recent years, with a method called VLBI that uses quasar observations, and by GPS we have begun to understand the absolute movement of tectonic plates.
Based on my observation of the movement of particle D, I modify the system so that three possible exits exist.
His observations are sharp, but he doesn't say much.