Скачать или смотреть Factors Affecting Enzyme Activity | Subject Labs

🌿 Join @TrySubject in the lab as we dive into an exciting experiment to explore the factors affecting enzyme activity! This fascinating experiment is perfect for science enthusiasts of all ages and requires only a few common household items. Get ready to discover how different variables influence the reaction rate of the enzyme catalase! 🌡️

🔬 Materials Needed:

Potatoes (or alternatives like carrots or bananas)
Ice
Boiling water
Vinegar
Hydrogen peroxide
Glass jars or cups
Knife
Ruler
Labels (post-it notes or similar)

👩‍🔬 Steps to Follow:

Step 1: Prep the Control Group: Prepare one control group using a potato wedge, submerged in hydrogen peroxide at room temperature. Label it as the control group.

Step 2: Varying Temperature: Test how temperature affects enzyme activity by using three potato wedges: one placed in ice water, one at room temperature, and one boiled. Submerge each in hydrogen peroxide and observe the reaction.

Step 3: Testing pH: Investigate the effect of pH by soaking a potato wedge in vinegar for 10 minutes, then submerging it in hydrogen peroxide. Compare the reaction to the control group.

Step 4: Surface Area Effect: Examine how surface area impacts the reaction rate by using different-sized potato pieces: a normal wedge, a large piece, and small pieces. Submerge each in hydrogen peroxide and measure the bubble formation.

Step 5: Measure and Record: For each test, measure the height of the bubbles after a few minutes to gauge the reaction rate. Record your results and compare them to your control group.

Experiment Question:
How does changing various factors like temperature, pH, and surface area affect the reaction rate between catalase and hydrogen peroxide? Conduct the experiment to find out and observe catalase in action!

Video Highlights:
00:00 Introduction to Enzymes
00:10 Understanding Catalase
00:57 Factors Affecting Catalase Activity
01:44 Experiment Setup: Materials and Hypothesis
02:45 Experiment Part 1: Temperature Effects
11:20 Experiment Part 2: pH Effects
13:47 Experiment Part 3: Surface Area Effects
18:51 Conclusion and Further Experiments

💡 This experiment not only demonstrates the process of enzyme activity but also provides a visual understanding of how enzymes function under different conditions. Perfect for a classroom setting or a fun home science project. Dive into the world of biochemistry with @TrySubject and uncover the fascinating world of enzymes! #science #scienceexperiment #biology #experiment #fun #education #students #teacher #school