blastoderm: the germinal membrane from which the organs of the embryo are formed. Explanation of Terms Used in Entomology John. B. Smith He it was who introduced the terms Keimhaut (blastoderm) and Keimblatt (germ-layer).
Child Study. Child study, also called paidology or experimental pedagogy, was the attempt to apply the methods of modern science to the investigation of children in order to discover the laws of normal child development.
Social Studies. Preschool social studies is where children learn about their place in the world. Understanding how to get along with others can often take up the biggest part of a preschoolerâs day. Children learn how to resolve conflicts and practice skills like sharing, taking turns and cleaning up.