Lessons 2: Which Meat Contains the Most Dangerous Bacteria?
Bacteria can be present in and on chicken, beef, and fish. But which meat contains the most dangerous bacteria? Conduct a simple study to find out this kitchen’s answer.
Doing the science
- Start the Bacteria Simulation by clicking on the "Sim" tab.
- Move the mouse to the counter near the refrigerator.
- When the words "Ground Beef" appear, click the mouse. The button in the "Sample Collected" area should turn red.
- Move the mouse to the microscope and click on the scope.
- View the sample by clicking on "Single," "Multiple," "Flagellated," and "With Gram Stain."
- Sketch what you see in the microscope in the appropriate space in Table 1 below.
- Select the "Back" button at the bottom right of the screen.
- Click on the red "Clear" button in the "Sample Collected" area.
- Move the mouse on the counter to the right of the kitchen sink.
- When the word "Poultry" appears, click the mouse. The button in the "Sample Collected" area should turn red.
- Repeat steps 4–6, then repeat the collection process for the fish sample on the table.
- Use the "Bacteria Database" in the Background section of the site to identify the bacteria type (if present) in the three different types of meat.