Fourth graders investigate how germs spread among people. In this health lesson, 4th graders discover the causes of infection and proper hygiene methods.

Learners investigate the influence Africa has had on African-American families as they have migrated from Africa to various sections of the United States. They utilize map skills to locate regions in Africa and in the United States.

Students examine contagious diseases. They explore different types of bacteria and the illnesses they cause.

Students compare bacteria to viruses to find the differences. In this biology lesson, students research viruses they have been inoculated against, using the Internet. Students complete a graphic organizer of their research on common...