Why do we need to know science or the nature of science?

A fundamental reason for teaching about the nature of science is to help our students to think for themselves and reach their own explanations and conclusions in ways that consider the scientific dimensions of socio scientific issues

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question