Living Environment Regents Practice Test

What does the fluctuation in scientific explanations, as seen in historical headlines, illustrate?

1. Scientific knowledge is absolute

2. Scientific explanations are tentative and subject to change

3. Public opinion can influence scientific research

4. The scientific method is foolproof

The correct answer is: Scientific explanations are tentative and subject to change

The fluctuation in scientific explanations, as highlighted in historical headlines, underscores the idea that scientific knowledge is not static but rather dynamic and evolving. This means that scientific explanations are built upon current evidence and understanding, which can change with new discoveries, advancements in technology, or shifts in research methodologies. For instance, theories that were once widely accepted may later be re-evaluated or modified in light of new data, showing that the scientific community remains open to correction and refinement. This self-correcting nature is a fundamental principle of science, emphasizing that conclusions are drawn based on the best available evidence at the time, and they may evolve as further research is conducted. Hence, this illustrates the iterative and tentative nature of scientific knowledge.