ScienceFreePrintable
Food Nutrients Lab Analysis
A free science worksheet ready for your classroom. Open in Kuraplan to grab the print-ready PDF, customize it for your students, or generate a fresh version in seconds.
Food Nutrients Lab Analysis
🔬 Part 1: Pre-Lab Knowledge
1. Which organic compounds are the main nutrients found in food?
Proteins
Carbohydrates
Fats (Lipids)
Vitamins
Minerals
2. What is the main function of carbohydrates in the human body?
Building muscle tissue
Providing energy
Storing genetic information
Regulating body temperature
3. Which test reagent is commonly used to detect the presence of proteins?
Benedict's solution
Iodine solution
Biuret reagent
Sudan III dye
4. What colour change indicates a positive result when testing for starch with iodine?
The solution turns from brown to _____________ colour.
🧪 Part 2: Lab Observations and Results
5. Complete the table below with your test results for each food sample:
Food Sample: ________________
Starch Test (Iodine): ________________
Protein Test (Biuret): ________________
Fat Test (Sudan III): ________________
Food Sample: ________________
Starch Test (Iodine): ________________
Protein Test (Biuret): ________________
Fat Test (Sudan III): ________________
6. Which food sample contained the highest concentration of proteins? Explain your reasoning based on the colour intensity observed.
7. Describe any unexpected results you observed during the experiment and suggest possible explanations.
📊 Part 3: Analysis and Conclusions
8. Based on your results, categorise each tested food as primarily a source of:
Carbohydrates: ________________
Proteins: ________________
Fats: ________________
9. Why is it important to test for multiple nutrients in food rather than just one?
10. Suggest two improvements that could be made to this experiment to obtain more accurate results.
1. ________________________________
2. ________________________________
About This Worksheet
Free in Kuraplan
Sign up free, grab the PDF, and customize it for your class.
Print-Ready
Formatted for standard paper. Clean layout, easy to read.
AI-Generated
Created with Kuraplan's AI, designed for real classroom use.
For Teachers & Parents
Use in classrooms, for homework, tutoring, or homeschool.
Need a custom version of this worksheet?
Kuraplan's AI generates custom worksheets in seconds — differentiated for every learner, aligned to your curriculum.
Generate Custom Worksheets — Free No credit card Curriculum-aligned Under 60 seconds
