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IGCSE Prescribed Practical: Investigating the Effect of Concentration and Temperature on Reaction Rates of Hydrochloric Acid and Sodium Thiosulfate
In this IGCSE Prescribed Practical, we delve into the world of chemical kinetics experiments, investigating the relationship between concentration and temperature on the rate of reaction between hydrochloric acid and sodium thiosulfate. By exploring the principles of reaction kinetics, collision theory, and the rate law, we gain an understanding of how chemical reactions occur and… Read more
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Microbial Cultures: Observing Growth on Agar Plates – IGCSE Prescribed Practical
In this practical investigation, we explore the world of microbiology and learn how to grow microbial cultures on agar plates while observing their growth characteristics. Discover the necessary equipment needed and learn the importance of aseptic technique to prevent contamination. Through the process of incubation and making subcultures, we uncover the unique colony characteristics of… Read more
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Microscopic Observation: Examining Plant and Animal Cells under a Microscope – IGCSE Prescribed Practical
In this practical investigation, we explore the world of microscopic observation by examining the unique structures and functions of plant and animal cells. By learning how to use a microscope and observing the cells under low and high magnification, we can gain a better understanding of the characteristics that distinguish plant and animal cells from… Read more
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Investigating the Presence of Starch, Glucose, Protein, and Fat in Food Sample – IGCSE Prescribed Practical
In this practical investigation, we will be exploring the presence of important nutrients such as starch, glucose, protein, and fat in different types of food. By using simple chemical analysis techniques such as Benedict’s solution and Biuret reagent, we can test for the presence of these nutrients and gain a better understanding of the nutritional… Read more
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Investigating the Effect of pH on Enzyme Activity using Catalase and Hydrogen Peroxide – IGCSE Prescribed Practical
Enzymes are essential biological catalysts that play a crucial role in many chemical reactions in living organisms. In this practical investigation, we will be exploring the effect of pH on the activity of the enzyme catalase, which is responsible for breaking down hydrogen peroxide into water and oxygen. By carrying out this experiment, we can… Read more
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Investigating Osmosis in Plant Tissue: A Practical Investigation – IGCSE Prescribed Practical
In this practical investigation, we explore the process of osmosis in plant tissue and how it affects plant growth. By using a petri dish and sucrose solution, we can study the movement of water in and out of cells and gain a deeper understanding of this crucial biological process. Our step-by-step guide outlines the equipment… Read more
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