National Center for Families Learning
Ncfl: Wonderopolis: Why Does Food Rot?
Have you ever wondered why food rots? Watch a short video, read grade level text, and take an interactive quiz about the science behind spoiled food.
South Carolina Educational Television
Etv: Nasa Online: Smell: Common Causes of Household Odors
An explanation of how fungi and bacteria create unpleasant odors in a home environment.