Curated OER
Food Safety Lab
Learners determine the optimal living conditions for yeast and apply these results to microbes in food. For this microbiology lab lesson, students observe the reaction of yeast to elevated temperatures. They relate these results to safe...
Curated OER
Food Safety Lab
Students use the scientific method to investigate the role of temperature in microbial growth. In this food preservation lesson, students set up an experiment with fruit in room temperature and in a refrigerator. They record the...
Learning Games Lab
Controlling Water Activity in Food
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...
Curated OER
Food Safety Lab-Part 3 Cross Contamination andHygiene
Students observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing bacteria...
Learning Games Lab
The pH Scale and Meter Calibration
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...
Learning Games Lab
Gram Staining
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...
Learning Games Lab
Testing and Adjusting pH
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,...
Teach Engineering
Powering a Device Using Food
Eat up a resource on using food to power electrical devices. Future engineers first experiment with different fruits and vegetables to determine the amount of electrical energy they provide. Based on the data, they design and create an...
Chymist
The Extraction and Identification of Artificial Food Colors
Did you know some food dyes are considered safe while others are considered carcinogenic? During the experiment, young chemists extract artificial food colors from prepared foods. Then, they use chromatography paper to identify which...
Curated OER
Laboratory Safety Rules
A one-page contract commits your science pupils to safety in the laboratory. Included in these nine rules is a list to fill in locating emergency equipment and important phone numbers. Every laboratory class should begin with a...
Curated OER
Genetically Modified Food (GMF)
Explore genetically modified foods through various experiments. In this biology lesson, students discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.
Learning Games Lab
Understanding Water Activity
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...
Learning Games Lab
How to Use Oil Immersion Microscope
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...
Curated OER
Food Energy
Students compare the energy value of traditional foods eaten by indigenous people with those of modern commercial foods. They use a calorimeter to measure and calculate the amount of stored energy in various food types, and identify the...
Curated OER
Food Safety and Quality Assurance
Students identify and interpret how milk is processed and learn important concepts in food safety and quality assurance. They identify how milk is processed, the importance of food safety, and the quality assurance process. Students also...
Curated OER
What Is Special About Polyethylene Food Storage Bags?
Young scholars participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Cornell University
Discovering Enzymes
Explore the function of enzymes through a series of lab investigations. Learners use household enzymes such as hydrogen peroxide to model the role of enzymes. The enzymes break down proteins with and without a catalyst.
Curated OER
How Many Bacteria on Your Food?
Pupils discuss and conduct a food safety experiment which looks at bacteria and food poisoning. They swab the other area of some food and grow bacteria in an agar plate.
Curated OER
Barn Owl Pellet Lab
For this lab worksheet, students dissect a barn owl pellet then identify the different small animals found in the owl pellet. Using class data they calculate percentage present as well as complete 8 post lab questions.
University of Georgia
Heating and Cooling of Land Forms
Compare heating and cooling rates of different land forms. A lab activity has groups collect data on the rate of heating and cooling of soil, grass, saltwater, fresh water, and sand. An analysis of the rates shows how the different land...
Curated OER
Identifying Food Nutrients
Students pretend they are a food-quality tester. They develop a kit to test food for sugars, starches, proteins and lipids. They answer questions to complete the lesson plan.
Curated OER
Nutrient Analysis Lab
In this nutrient analysis lab learning exercise, students perform several experiments in a lab setting. Students test products for carbohydrates (monosaccharides and polysaccharides), proteins, lipids, and starches.
Curated OER
Measuring Calories in Food
Students measure the amount of calories in food. In this food energy lesson, students discuss what a calorie is, how our bodies use a calorie, and how many we need. Then, students use a calorimeter to calculate the amount of energy in a...
Curated OER
Bacteria's Role in Food
Young scholars grow bacteria cultures on agar in petri dishes and do a plate count. They participate in a yogurt making lab to see how bacteria produce lactic acid. They prepare a recipe and identify fungi, fermentation and the role of...