How did man develop Science? It is his observations, analysis-based inferences, and prediction that led to the development of science. Hence, scientific method is based on observation, hypothesis, experimentation, analysis, theorisation, etc. Therefore, teaching science effectively involves special methods that invoke all of those elements of scientific methods. Learning aids and improvised aids are used for teaching science effectively. They help students to have a clear understanding of the concept and enhance their knowledge. They also make the task of teaching easier. Most systems consider that these aids are a must in teaching science. This does not mean that science cannot be taught without the use of such expensive apparatuses. However, these learning aids help to reduce the time and effort of teachers. LEARNING AIDS Student engagement is essential for the success of a lesson. The use of learning aids changes the atmosphere of the class and makes the class very interesting for