Observational Evidence
Contents
Key Stage 3
Meaning
Observational Evidence is a type of Scientific Evidence that relies on observations which an be repeated to get the same results and reproduced by others to get the same results.
About Observational Evidence
- Observational evidence is used when it is not possible to perform an experiment. It is not possible to experiment on a star to see how its brightness depends on its size, so many different stars must be observed.
Key Stage 4
Meaning
Observational Evidence is a type of Scientific Evidence that relies on observations without the ability to control variables but can be repeated to get the same results and reproduced by others to get the same results.
About Observational Evidence
- Observational evidence is used when it is not possible to perform an experiment. This means that it is not always possible to control certain variables.