Microbiology Projects, Lessons, Activities (42 results)

Have you ever wondered how yogurt is made, and why some yogurts differ from others? As most yogurt containers advertise, yogurt contains "live cultures." This means that there are living bacteria in the yogurt! These are not the harmful kind of microbes that cause you to get sick. Instead, these cultures have the amazing ability to turn plain old milk into a yummy yogurt treat. Do the bacteria affect what the resultant yogurt culture looks, feels, tastes and smells like? In this… Read more

Have you ever wondered how X-rays affect living organisms? You have probably had X-rays taken at the dentist's or doctor's office. These X-rays are considered to be relatively safe, but every X-ray exposes a person to some radiation, specifically electromagnetic radiation. Radiation is energy that travels through space as either waves or high speed particles. Watch this video to learn more about electromagnetic radiation. When the energy in X-rays encounters an object, it can… Read more