As a prerequisite for this merit badge, please do the following activity and bring the answers to the below questions to the class on the 15th of October. Good Luck! If you have any questions or need further guidance please do not hesitate to email myself or Mr. Gordon. We both look forward to meeting each and every one of you.
Short Answer Questions:
1) Chemistry is divided into four classical divisions, name these four divisions.
2) For each of the divisions from question one, define and explain how each one relates to everyday life.
3) Which two government agencies are responsible for tracking of chemicals for commercial and/or industrial use?
1.
2.
4) Define pollution.
5) Utilizing reasons from chemistry, what are the environmental effects of used motor oil?
6) What are phosphates?
7) What is the purpose of phosphates in fertilizer?
8) What is the purpose of phosphates in laundry detergent?
9) Why have phosphates been removed from laundry detergent?
10) What are the differences between a chemical reaction and a physical change?
11) What are the chemical similarities between toothpaste and an abrasive household cleaner?
12) What are the chemical differences between toothpaste and an abrasive household cleaner?
13) Using your answers to questions eleven and twelve, Explain how purpose of a product is related to its chemical makeup.
Activity:
With the help of an adult, Cut an onion into small pieces and separate into 3 small portions. Leave one portion raw, cook the second portion until the onions are translucent, and cook the third portion until the onions are caramelized (brown in color).
Describe the taste of each type of onion.
Raw –
Translucent –
Caramelized –
Activity Question:
What happens to the molecules of the onion during the cooking process?