Curated OER
Deep Thoughts
Students examine what lies within the Earth. They research and create scale models illustrating the layers of the Earth and write skits advocating a travel plan to send a probe into the Earth's mantle.
Houghton Mifflin Harcourt
Harcourt: Biographies: Otis Boykin 1920 1982
Otis Boykin was a successful African American inventor whose inventions include resistors for electrical equipment and missiles, a controller for pacemakers, and a burglar-proof cash register.
Texas Heart Institute
Texas Heart Institute: Heart Information Center: Pacemakers
One-page overview of pacemakers includes detailed labeled diagrams of the heart and implantable pacemaker along with essential information on how to live with one.