Experiments are conducted to test hypotheses and gather data in a controlled environment. The main purpose is to determine cause-and-effect relationships by manipulating one or more variables and observing the outcome. This helps in validating theories, discovering new phenomena, and improving existing processes or products.
For example, in a scientific experiment, researchers might change the temperature to see how it affects the growth of a plant. By controlling other variables like light and water, they can confidently attribute any changes in growth to the temperature. This systematic approach ensures that the results are reliable and can be replicated by others.
In summary, experiments are essential for advancing knowledge, solving problems, and making informed decisions based on empirical evidence.