Monday, February 14, 2011

Homework Due Thursday, Feb 17

PART 1 **Updated**

1) Read the emailed document "Quantum Theory Cannot Hurt You" and take a minimum of 1 page of notes

Notes Guidelines:
- Don't copy sentences word-for-word from the document
- Only write information that is new to you or is somehow important/memorable etc. (don't write obvious things like "we use light to see")
- Summarize the main points in the article; your notes should capture the essence of the article as well as key pieces of information
- Take notes that will help you on a quiz that covers the reading assignment

2) In your notes, write down any new words you encounter and look them up in the dictionary
Vocabulary words from the documents will be tested on the quiz! 

3) Think deeply about what you read.  In your notes, write a minimum of 5 questions you have about the concepts and ideas.
Read the assignment very closely and carefully and make sure you truly understand everything it's saying.  Let the ideas sink in.  Challenge yourself to not just absorb what it says but to also ask questions above and beyond the material.

 4) Answer the following questions:
1) Were the Greeks correct in their belief that atoms are indivisible?  Give some evidence to support your answer.
2) On page 5, what does the author mean by "our course senses"?
3) On page 5, the pressure and volume of gases is discussed. What kind of relationship must pressure have to volume such that to make the pressure twice as great you must make the volume half as small.  Or that making the volume 1/3 the size makes the pressure 3 times as large?  Show a mathematical expression.
4) The idea of atoms originated 2,000+ years ago but only in the last few centuries have scientists been able to find experimental evidence to verify the existence of atoms.  What types of technological advancements were needed in order for scientists to find experimental evidence of atoms?
5)
6) Compare the Brownian motion of pollen particles suspended in two different liquids.  Liquid A is made of large molecules and Liquid B is made of small molecules.  In which liquid will the pollen generally move more distance?  Give a sentence explaining why.
7) What types of atoms (i.e. elements) are we made of? (look it up on the internet)
8) If atoms are mostly empty space, then why is a scanning electron microscope stylus able to trace the surface of an atom?  Why doesn't the needle sink into the empty space of the atom?  You probably don't have an exact answer so jot down your thoughts and ideas, even if you don't know the answer.


PART 2

1) Read the article "How atoms work."  It's a long article - keep clicking "next page" to get through the whole thing.  Take a minimum of 2 pages of notes (refer to the note guidelines above).
http://science.howstuffworks.com/atom.htm







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