Practical Videos
Measuring Acceleration Due to Gravity
Learn how to use a simple pendulum to determine the value of g in this comprehensive physics practical demonstration. Covers setup, measurements, calculations, and error analysis.
Ohm's Law Verification
Step-by-step guide to verifying Ohm's Law using standard lab equipment. Includes circuit setup, taking measurements, plotting graphs, and interpreting results.
Determining Focal Length of Lenses
Complete demonstration of determining the focal length of convex and concave lenses using different methods as required by WAEC practical examinations.
Hooke's Law Experiment
Detailed demonstration of investigating the relationship between force and extension of a spring. Covers proper measurement techniques and graphical analysis.
Determining the Relative Density of Liquids
Practical demonstration of using the density bottle method to determine the relative density of different liquids with precision.
Titration: Acid-Base Neutralization
Complete guide to performing accurate titration experiments with proper technique, including burette reading, endpoint detection, and calculations.
Qualitative Analysis of Salts
Systematic approach to identifying cations and anions in unknown salts through chemical tests and observations.
Determining Rate of Reaction
Demonstration of measuring reaction rates using different methods, including volume of gas evolved and color change monitoring.
Preparation of Standard Solutions
Step-by-step guide to preparing accurate standard solutions using both the weighing method and dilution method.
Determining Heat of Neutralization
Practical demonstration of calorimetry techniques to determine the heat change during acid-base neutralization reactions.
Examining Plant Cells Under Microscope
How to prepare and observe onion cells under a microscope with proper staining techniques and biological drawing conventions.
Testing for Food Substances
Comprehensive demonstration of biochemical tests for starch, reducing sugars, proteins, and fats with proper controls.
Ecological Survey Techniques
Field methods for studying plant populations including quadrat sampling, transect techniques, and biodiversity calculations.
Enzyme Activity Experiments
Investigating factors affecting enzyme activity including temperature and pH.
Heart Dissection
Step-by-step guide to dissecting and identifying structures of a mammalian heart.