A hallmark of science is that it generates theories and laws that must be consistent with observations. Much of the evidence from these observations is collected during laboratory investigations. A school laboratory investigation is defined as an experience in the lab. that provide students with opportunities to interact directly with natural phenomena or with data collected by others using tools or other materials.
It also help the students to develop a deep understanding of the science content, as well as an understanding of the nature of science, the attitudes of science, and the skills of scientific reasoning. Besides it also makes learning interesting and enjoyable, thus creating in the young minds the new and effective innovative for a new outlook.