The central video for this lesson is not available through the included resource link. However, the activity that simulates the passing of a virus through a population is impacting and the other resource links are invaluable. Use this...

Learners demonstrate safe ways to handle bacteria, prepare agar plates, and grow bacterial cultures. They identify different kinds of bacterial colonies, and devise a controlled experiment.

Students explore how our bodies fight infection. Using a microscope, they observe red blood cells, white blood cells and different bacteria under a microscope.

Students experiment in order to determine proper ways to disinfect hands to prevent the spread of infection.

Students explain the relationship among nutrition, infection and diseases. In this health science lesson, students suggest ways to break the nutrition-infection cycle. They brainstorm solutions to prevent infectious diseases in the...

Students watch a video about the spread and biology of HIV/AIDS. They discuss white blood cell counts and ways the disease is transmitted and ways it cannot be transmitted. They draw a battle between the HIV and the immune system.

Online presentations on more than 150 health topics, diseases, and conditions, from acne to viruses. Each plays as a slide presentation, with sound, that you can control or set to autoplay. Time varies from 5-20 minutes. Available in...

Describes research to create bandages that contain an antibiotic. The bandages fool bacteria into attacking them, which releases the antibiotic and attacks the bacteria.

Take this interactive, multiple-choice quiz over microorganisms, then review your score and any missed questions at the end.

Take an interactive quiz over viruses. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Understand the HIV virus that causes AIDS.