What is the Essential Understanding(s)/Big Ideas that are applicable to this lesson and refer to VA SOL and Framework if applicable?ES.2 The student will demonstrate an understanding of the nature of science and scientific reasoning and logic. Key concepts include b) evidence is required to evaluate hypotheses and explanations; c) observation and logic are essential for reaching a conclusion;What is the essential objective in this lesson?To help these students better understand/identify necessary information that they may need while doing research projects or for this course their final project.