Identify three specific challenges to making direct measurements in the fields of astronomy, chemistry, physics or earth science. describe how scientists have utilized indirect forms of measure to overcome such challenges. Select two of the most historically influential tools or methods in the physical sciences. Describe how these methods or tools work, and how they helped to advance our understanding of the physical sciences.

Procedures in the Physical Sciences: A Survey of Safety select one hazard related with research in the physical sciences. Describe how protective gear or equipment might be utilized to mitigate the hazard, and also its efficacy. describe the ways in which advancements in the physical sciences might impact the safety of the global community. Evaluate any special considerations for regulating this research.

Documentation use at least four quality resources in this assignment.

Note: Wikipedia and similar Websites do not qualify as the quality resources. The body of paper should have in-text citations which correspond to the references. Integrate all sources to your paper by using proper methods of quoting, paraphrasing and summarizing, all along with proper use of in-text citations to credit your sources.