Science is essentially the systematic investigation of nature. Although science can be considered a cultural behaviour, there are elements of science which can be considered 'natural' for example classification of natural objects. These are so-called natural sciences.
To do science requires some technological skills, in particular, writing and recording of observations often from measuring instruments compared with calibrated standards.
Science is about providing an explanation for 'How things happen'. How does a light bulb work? for example. Or how do trees grow? Science is able to provide models of explanations that are testable , observable or measurable.
Science is typically divided into subject areas that consider the basic features that are being investigated or how it is investigated.
Sometimes these areas are described in terms of '[topic] sciences' for example
- Planetary Sciences ( often considered as part of astronomy)
- Chemical Sciences (see also chemistry)
- Life Sciences (see also biology)
In this context [Topic] Sciences often implies the use of other scientific fields of study or techniques to add to the topic. For example Life Sciences would be considered multidisciplinary because it may include physics techniques and topics to add to the investigation of life processes. Often it would include applied aspects such as potential medical applications.
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