Final answer:
Accuracy refers to how close a measurement is to the correct value, while precision refers to the level of detail or how close multiple measurements are to each other. Sources of error include instrumental, human, environmental, and systematic errors. To improve accuracy, use more precise instruments, perform multiple trials, calibrate regularly, minimize external factors, follow proper techniques, and gain experience.
Step-by-step explanation:
In science, accuracy refers to how close a measurement is to the correct value. Precision, on the other hand, refers to the level of detail or how close multiple measurements are to each other. If a measurement is both accurate and precise, it means that it is close to the correct value and that repeated measurements give similar results.
There are several sources of error that can affect the accuracy of a measurement. These can include instrumental errors, human errors like reading a scale incorrectly or making a recording mistake, environmental factors such as temperature or air pressure, and systematic errors caused by limitations in the measurement method.
To improve the accuracy of results, one can take several steps. Some suggestions include using more precise measuring instruments, performing multiple trials to account for potential errors, calibrating instruments regularly, and minimizing external factors that can affect the measurements. Additionally, following proper experimental techniques and ensuring proper training and experience can also contribute to improved accuracy.