How Science Works Cloze Game

The aim of science is to new facts about the world. Scientists discover new facts by making observations, or by doing . For example, astronomers discover new facts by making observations through a , and chemists discover new facts by doing experiments in a .

An idea that explains why something is true, or how something happens, is called a scientific . For example, Charles Darwin created the theory of to explain how all the different species in nature developed over time. Scientists then designed experiments, and made observations, in order to his theory.

The results of an experiment might support a theory, or they might it. If scientists keep getting results that undermine a theory, they should accept that it is . But if they keep getting results that a theory, they should accept that it is correct. After thousands of experiments and observations that support Darwin's theory of evolution, for example, it is now regarded as being .

Scientists who find new evidence that supports or undermines a theory will publish their results in a scientific . The results will only be accepted as valid if others can the observation or experiment and get the same results.

This is how science .