STEM education was a systematic teaching and/or learning process in the STEM fields and a positive correlation existed between STEM education, and the economic prosperity and power of a nation in the globalized world. In recent years, rising concerns have emerged about American STEM education. Many stakeholders wondered that whether the nation has…

A discussion of language acquisition assumes that lexicon plays a central role, and that the principles of conventionality and contrast are also essential. It examines the hypotheses children draw on about possible word meanings and how they map their meanings into forms. This process begins with children's emerging knowledge of conventional words…