Nature of Science

Notes

Nature of Science Learning Outcomes You should be able to: ► Outline the steps involved in experiments and understand experimentation as a cyclical process ► Differentiate between variables and explain fair testing. ► Explain the terms: Statistical and systematic uncertainty, Precision, Accuracy, Causation, Correlation ► Identify and interpret graphs ► Draw a graph from results ► Assess the reliability and validity of a source ► Identify health and safety hazards associated with agricultural practices and discuss controls and precautions necessary to prevent accidents, injury and ill health ► Discuss the health and safety considerations of using agricultural machinery and equipment ► Recognise the need for safe work practices in all agricultural activities Key terms Hypothesis: A proposed explanation for a phenomenon Variable: Any factor or condition that may influence an experiment Control: Designed to minimise the effects of variables to allow for a fair comparison Scientific Method Make an Observation Research Question Communicate findings Form Conclusions Design Hypothesis Analyse results Perform an Experiment Scientific Method ► An observation is made or an idea is formed. ► T...