Observation & Natural Sciences
The act of noticing and describing events or processes in a careful, orderly way.
Note
Observation is a foundational method in the natural sciences, providing the empirical evidence needed to support or refute scientific theories.
The Role of Observation in the Natural Sciences
- Empirical Evidence:
- Observations provide the data that scientists use to develop and test hypotheses.
- This evidence is often quantitative (measurable) or qualitative (descriptive).
- Objectivity:
- Scientists strive to make observations without bias, ensuring that personal beliefs or expectations do not influence the results.
- Repeatability:
- Observations should be replicable by other scientists, which helps to validate the findings and build trust in the results.
Example
* Galileo's observations of Jupiter's moons provided evidence that not all celestial bodies orbit the Earth, challenging the geocentric model.
- Darwin's observations of finches in the Galápagos Islands led to the development of his theory of natural selection.
Challenges in Observation
- Observer Bias:
- Personal beliefs or expectations can influence what a scientist observes or records.
- Instrument Limitations: