what is biology, the study of life, how do scientists work, use scientific method, what is the scientific method, Sequence of steps which is used to solve a problem , define hypothesis, An educated guess based on the observation, uses the words ‘if’ and ‘then’. It can be true, partly true, or false, define experiment, A test of a hypothesis to determine if its true, partly true, or false, what are results, Data is analysed and processed to provide results , how many types of data can we have, 2- Quantitative data, Qualitative data, define conclusion, the results of the experiment are interpreted and conclusion is made, define theory, a hypothesis supported by many experiments over a long period of time, they are not absolutely true , define principle/law, If a theory is shown to be true under all conditions it becomes a principle or law , what is a control experiment, used for comparisons , what is repeatability, the same person, carrying out the same experiment following the same method and getting the same results , what is reproducibility, different people, following the same method in different labs and getting the same results , define variable, something that can be changed , how many types variables do we have, 3, define independent variable, the variable that is changed, define dependent variable, the variable that is measured , define control variable, the variables that are kept constant , how do we ensure an investigation is fair, only change one variable at a time
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