Lab 5: Soap Making – How Does Soap Make You Clean?
[Pages:1]Grading Rubric
Chemistry 108, Spring 2017
Lab 5: Soap Making ? How Does Soap Make You Clean?
General Guidelines: ? Please type the lab write-up so that we can read it, with the exception of artwork
or mathematical calculations (those can be neatly written in pencil/pen).
? Name/Date/Title of lab on top of the first page ? Header or footer with your name and page # on subsequent pages ? Please staple
Lab 5: Soap Making
Points
Points
Earned
Possible
Article for Odyssey: Adventures in Science Magazine
Paragraph about how soap works (water and oil do not mix, yet soap
dissolves in both; how, in general, does this work?). Include the chemistry
10 points
of how soap works, incorporating a discussion of micelles.
What is meant by the term "hard water"
3 points
Why soap is not as effective in hard water
8 points
Is the report coherent and complete (observations and discussion of results incorporated into the article)?
7 points
Are there major grammar mistakes and spelling errors?
5 points
Discussion of Results (providing specific examples from observations for each question)
1. How did each sample (your soap, store soap, detergent, and shampoo) compare in sudsing action in deionized water?
5 points
2. How did each sample (your soap, store soap, detergent, and shampoo) compare in sudsing action in tap water?
5 points
3. How did each sample (your soap, store soap, detergent, and shampoo) compare in sudsing action in hard water?
5 points
4. How did each sample (your soap, store soap, detergent, and shampoo) compare in sudsing action in oil?
5 points
5. Based on your observations, does soap generally work better in soft or hard water?
5 points
6. Based on your observations, which works better in hard water -- soap or detergent?
5 points
7. From your observations, would you conclude that shampoo is more like soap or detergent? Explain your answer.
5 points
Are the Observations Included?
Part Two: Testing the Products in Deionized Water - Observations for all four test tubes
8 points
Part Three: Testing the Products in Tap Water - Observations for all four test tubes
8 points
Part Four: Testing the Products in Hard Water - Observations for all four test tubes
8 points
Part Five: Testing the Products in Oil - Observations for all four test tubes
8 points
Total Points
100 points
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
Related searches
- how does blackrock make money
- how does starbucks make coffee
- how does amazon make money
- how does starbucks make chai tea latte
- does immunotherapy make you immunocompromised
- does tamiflu make you less contagious
- how does chime make money
- does losartan make you drowsy
- does losartan make you sleepy
- does claritin make you drowsy
- how does amazon make its money
- does cetirizine make you drowsy