Introduces an integrated science activity in which students learn about the principles of superposition, biostratigraphy, and correlation and study the single-celled microorganism foraminifera to learn about marine biology. (YDS)

Describes a lesson plan on alien invasions to introduce students to the principles of genetics. Discusses the history of Gregor Mendel, dominant and recessive traits, offspring, and mutations. (YDS)

Introduces an activity of creating discovery centers that is designed for preservice elementary students using a constructivist approach. Encourages students to find science experiments and hands-on extension activities. (YDS)

Uses space explorations to integrate learning activities in science, language arts, math, social studies, art, foreign language, and physical education. (PR)