Choose a scientific theory and describe the theory. You will describe the theory in 2-to-4 well-written paragraphs. Who developed the theory? How did the scientist come up with the theory? Has the theory changed over time? How has the theory impacted scientific thinking? Explain an experiment you could run to test the theory, including the design and execution, and any observations you can make of the world around you related to the scientific theory. How do these observations support or refute the theory?