1. 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 these challenges.
2. Choose two of the most historically influential tools or techniques in the physical sciences. Explain how these techniques or tools work, and how they helped to advance our understanding of the physical sciences.
3. Choose one hazard associated with research in the physical sciences. Discuss how protective gear or equipment might be used to mitigate the hazard, as well as its efficacy.
4. Describe the ways in which advancements in the physical sciences might impact the safety of the global community. Assess any special considerations for regulating this research.
5. Use at least four quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources. The body of the paper must have in-text citations that correspond to the references. Integrate all sources into your paper using proper techniques of quoting, paraphrasing and summarizing, along with proper use of in-text citations to credit your sources.