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 26th of October. Good
Luck! If you have any questions or need further guidance please do not
hesitate to email me. I am looking 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?