Interactive
Learning Games Lab

Controlling Water Activity in Food

For Students 9th - 12th Standards
Food storage matters! Scholars learn how the amount of water in corn can affect its rate of spoilage. They create a control group, then test three corn samples stored in three different locations for water activity. As a result of the...
Interactive
Learning Games Lab

The pH Scale and Meter Calibration

For Students 9th - 12th Standards
What are the different ways to test for pH? First, scholars explore the pH scale and a common way to test for acidity and alkalinity. Then, they learn about the importance of pH in food safety and why variance in pH could potentially...
Interactive
Learning Games Lab

Gram Staining

For Students 9th - 12th Standards
Scholars use a lab simulation to test contaminated yogurt for bacteria by gram staining. They learn proper lab procedures for handling bacteria and for sterilizing equipment, and then walk through the process on their own to try gram...
Interactive
Learning Games Lab

Testing and Adjusting pH

For Students 9th - 12th Standards
Pupils learn how to control food spoilage by adjusting the food's pH. They see that one of the most dangerous bacteria can grow in food if people don't handle and store food properly. Using knowledge of the bacteria's preferred pH,...
Interactive
Learning Games Lab

Understanding Water Activity

For Students 9th - 12th Standards
How does water activity play a role in food spoilage? First, the learners think about which types of foods would be best to take on a backpacking trip based on the water activity of different foods. It then walks through why water...
Interactive
Learning Games Lab

How to Use Oil Immersion Microscope

For Students 9th - 12th Standards
Teach the class how to use a microscope to identify bacteria in food. Scholars explore the different parts of the microscope and learn how to determine total magnification. They walk step-by-step through the procedure of preparing slides...
Interactive
Other

Usda: Virtual Labs: Controlling Water Activity in Food

For Students 9th - 10th
In this science simulation, students investigate water activity in corn that has been dried using traditional Native American methods in order to learn about the best way to ensure food safety.
Interactive
Other

Usda: Virtual Labs: Understanding Water Activity

For Students 9th - 10th
In this science simulation, students investigate the behavior of water in food and how this can contribute to food spoilage.
Interactive
Other

Usda: Virtual Labs: Testing and Adjusting P H

For Students 9th - 10th
In this virtual science lab, students learn how to control the pH level in salsa to prevent the growth of a dangerous bacterium.
Interactive
Other

Usda: Virtual Labs: Bacteria Sampling (Using Various Disposable Lab Equipments)

For Students 9th - 10th
In this science simulation, students test milk samples to check for bacterial contamination.
Interactive
Other

Usda: Virtual Labs: Corn Mold Test Mycotoxins

For Students 9th - 10th
In this science simulation, students test corn for the presence of Aflatoxin, a toxin produced by mold.
Interactive
Other

Usda: Virtual Labs: Gram Staining

For Students 9th - 10th
In this science simulation, students learn how use gram staining to test for bacterial contamination in yogurt.
Interactive
Other

Usda: Virtual Labs: How to Use Oil Immersion Microscope

For Students 9th - 10th
In this science simulation, students learn how to use a microscope as they investigate bacterial contamination in a sample of yogurt.