Sunday, March 30, 2014

Wed., Apr. 2, 2014

Objectives:  Research for your nuclear topic
Announcements: 
Journals due on Fri.
Table of Contents link
Opener: Computer Lab 182, I'll take roll there 
Some thoughts about our project prezi
Homework: Research project link

Tuesday, March 18, 2014

Mon., Mar. 31, 2014

Welcome Back!
Objectives:  Describe how spectrum tubes
create the variety of colors they do and how
they can be identified
Announcements: 
Journals due on Fri.
Opener: What's your research topic 
and what do you know about your
subject that you didn't know before break?
Table of Contents link
Spectrum tubes for other elements
"Ground state" & Ways to "excite" atoms
Bohr Model (it's all about electrons) applet 
Wavelength, Frequency & Energy
Plan research for nuclear presentation 
Homework: Define the terms as used
in chemistry/science:
Ground state
Excited state
nanometers
electron orbit
emission spectrum
wavelength
Research project link

Thurs., Mar. 20, 2014

Objectives:  To determine which element
will be created when nuclear decay occurs
Announcements: 
Research Project
Opener:
Groups/projects reminders 

Spectrum tubes for other elements
Quickie Quiz...How many neutrons does
an atom of Os-190 have?  Draw the 
Bohr model diagram for Mg-21.  Why
does the number of neutrons increase 
faster than the atomic number? 
Homework: Research project link

Wednesday, March 12, 2014

Tues., Mar. 18, 2014

Objectives:  To identify elements by 
their spectral character
Announcements:

Flame Tests & Atomic Spectra link

  • Activity Overview
  • What's a spectroscope
  • Analyzing a spectra link
    tinyurl.com/shafferspectra2 
  • Wavelength, Frequency & Energy
  • Nuclear project research
Homework: Research project link

Tuesday, March 11, 2014

Thurs., Mar. 13, 2013

Objectives:  To determine which element
will be created when an nucleus decays
Announcements: 
Research Project group reminders
Opener: Radioactive samples & Geiger counter

Stamp Counting Atoms link
Finish fusion  & fission (& review)
Standard modes of decay alpha beta gamma
Why do nuclei decay?
Nuclear Transmutations worksheet
Uranium Decay Chain link
Homework: Research project link

Thursday, March 6, 2014

Tues., Mar. 11, 2014

Objectives:  To understand how nuclear 
processes can change elements
Announcements: 
Research Project
Opener:  New element quiz
Counting Atoms link
Bohr model & models for the first 12
Basic nuclear processes...
Fusion link & Fission link
Where does the energy come from?


Nuclear Decay alpha beta gamma
Nuclear transmutations
Homework: Research project link

Tuesday, March 4, 2014

Thurs., Mar. 6, 2014

Objectives:  To see how atomic structure
can help identify elements
Announcements: 
Research Project
Opener:  Draw and label a sketch of an atom
Explain how your model might change to 
demonstrate the difference between, say,
copper & gold
Nuclear working groups
share contact info
Atomic Structure link & Counting Atoms link
Flame Tests & Atomic Spectra
activity (Post-poned)
Bohr model & models for the first 12  (Post-
poned)
Homework: Finish Atomic Structure link 
& Counting Atoms link 
Research project link