Scientists conduct experiments in order to understand how the natural world works. Virtually all of the science you learn in this and your other science classes was discovered and verified by repeated experiments. Designing and running a good experiment is challenging, time-consuming, and expensive. What makes experiments worthwhile, indeed critical, is that they are the most powerful tool we have for establishing cause-and-effect relationships. Educated citizens need to understand how scientific investigations are done and how results and conclusions are reported in order to make informed decisions. This lab will introduce you to the principles of good experimental design. Because these principles are best learned by carrying out an actual experiment, your challenge will be to design, conduct, and interpret your own experiment.
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