STEM" is the definition of STEM that the integrated knowledge in science, technology, engineering And mathematics, the characteristics of naturalBy focusing on the knowledge utilization in solving problems in real life. As well as the development of new processes is beneficial to the life and work of "STEM" is the result of the name the first letter of the 4 studies together.Science (science is to learn the story of nature, such as various phenomena through systematic thinking process. The science that caters to the statutes or used to describe various phenomena.(Scientific Method), which consists of 5 steps 1.Observation and the problem of what was 2. Hypothesis is the prediction of events from what was found by reason 3. Research and data collection 4. Experiments. In order to verify the validity of the hypothesis 5.The conclusion.