Experiments
While we are not interfering with the nature of things, just look, listen, learn and remember the world around us, we are seeing. Here are just at the time, as small child touches, breaks, or tries to taste toys, the parents of the baby with joy watching him, noting how he grows and develops. What is the "description"? When a person wants to talk about something other people, or is he just saw something interesting and want to always remember it, he describes this phenomenon with words or special characters – as best he can. Music downloads has many thoughts on the issue. Describes the historical events – for posterity. It happens that people have to describe and does something not yet studied, but their descriptions to help others explore the previously described phenomena.
What is an "experiment"? In cases where simply becomes uninteresting to watch, or monitor impossible for some "technical" reasons, to experiment. For even more details, read what Digital Cameras says on the issue. To put the experiment on the subject or process, create special conditions and observed by interfering with the process on a specially installed plan. If we formulate the basic question of the experiment, it would sound something like: "What would happen if? .." And who knows – maybe poking his fingers into an electrical outlet, the child does, without knowing it, their first in life experience! What is a "theoretical level of scientific knowledge"? There are things you can not see, touch or measure the available human resources. For example, the distance from Earth to the sun can not be measured no ruler.
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