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Instructions:
Concept of Half Life of An Unstable Atom Discussion
I’m stuck on a Environmental Science question and need an explanation.
Define the concept of half life of an unstable atom. If you have 24 grams of an unstable atom with a half life of 5,000 years, how many grams would be left after 15,000 years? Explain how an isotope of Uranium can be used to date the age of the earth earth. About what is the age of the earth by this method?
Hazards Environmental Science Essay
Format
Composed in Word or Google Docs
500-600 words (about 2 pp.) in length
Refers to (and properly cite, in CSE author-year format) at least one peer-reviewed or grey literature article found using the library’s resources[1]
Expectations
You should expect to get full credit for a thoughtful reflection that involves your own critical thought: it should go beyond summarizing the speaker’s presentation or the article you found.
Thematically, reflections should focus on your engagement with ideas from the seminars. While it’s OK to voice your opinions about the presentation (“I liked/didn’t like it”) or your experience understanding it (“it was hard for me to understand”), these shouldn’t be the focus of your reflection.
Here are some questions to spur your thinking:
What are the societal implications of the speaker’s work?
How is the speaker’s way of doing science similar to or different from what you already knew about science?
How does the speaker’s presentation relate to your own interests?
Did you learn anything from the speaker that might inform your own career choices?
Does the issue that the speaker presented impact you or anyone that you know? How?
How does the speaker address equity and justice in their work? How does that resonate with you?
Is there a personal action you could take to improve how this issue is addressed? If so, will you? Why or why not?
What can you take away from the speaker’s style or technique of presenting?
If you got to ask the speaker some more questions, what would you ask? And why?
… but feel free to come up with questions of your own if these don’t address ideas that you saw as important in the speaker’s
RUBRIC |
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Excellent Quality 95-100%
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Introduction
45-41 points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned. |
Literature Support 91-84 points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned. |
Methodology 58-53 points Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met. |
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Average Score 50-85% |
40-38 points More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided. |
83-76 points Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration. |
52-49 points Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met. |
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Poor Quality 0-45% |
37-1 points The background and/or significance are missing. No search history information is provided. |
75-1 points Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration. |
48-1 points There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met |
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Concept of Half Life of An Unstable Atom Discussion |
Concept of Half Life of An Unstable Atom Discussion