Dog Mouth Lab Report
Elizabeth B. Lanford
Student-designed Experiment Report
• Objective: It has been said that a dog's mouth is cleaner than a human mouth, so I wanted to see if the theory was true. Even though humans brush their teeth, there are still a lot of food particles and bacteria in our mouths. Dog's mouths are supposed to be self-cleaning. I want to test different dog and human mouths to see who really has the cleaner mouth.
• Hypothesis: Cultures taken from a dog's mouth will grow fewer bacteria than cultures taken from a human's mouth.
• Materials:
1. Sterile cotton swab
2. Incubator
3. Cultures from three different dogs.
4. Cultures from three different humans.
5. Six Petri dishes
6. Microscope
Student-designed Experiment Report
• Objective: It has been said that a dog's mouth is cleaner than a human mouth, so I wanted to see if the theory was true. Even though humans brush their teeth, there are still a lot of food particles and bacteria in our mouths. Dog's mouths are supposed to be self-cleaning. I want to test different dog and human mouths to see who really has the cleaner mouth.
• Hypothesis: Cultures taken from a dog's mouth will grow fewer bacteria than cultures taken from a human's mouth.
• Materials:
1. Sterile cotton swab
2. Incubator
3. Cultures from three different dogs.
4. Cultures from three different humans.
5. Six Petri dishes
6. Microscope