Scientific ideas evolve when new evidence or better explanations arise. Through observation, questioning and testing, earlier beliefs are refined or replaced, showing that science is not fixed but constantly developing based on discoveries.
class 8 science chapter 1 exploring the investigative world of science question answer
Class 8 Science Curiosity Textbook Chapter 1 Exploring the Investigative World of Science question answer
The evolution of scientific ideas means that science changes as we learn more. Initial ideas may be basic or incorrect, but as new observations and experiments are conducted, better explanations are formed. For example, earlier models of the solar system or atoms changed dramatically over time. This evolution proves that science isn’t static; it grows with evidence. It teaches learners that questioning, testing and refining are essential parts of building scientific knowledge.
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