Mon., Oct. 24, 2011

Warm-up: Relationships about light
& EM spectrum

Objectives: Prepare for a lab where we
discover categories of chemicalsubstances

Announcements: Grades for
spectroscopes and extra credit
today! Flame test lab and Bohr
model assignment in your binder

Chemical Bonding Lab

Fri., Oct. 21, 2011

Warm-up: In the flame test lab, you "excited"
atoms in 2 ways. What is meant when we say an
atom is in an excited state? When is light emitted
from those atoms? What causes Lithium to give
off a magenta colored flame? Nowhere on the EM
spectrum is magenta.

Objectives: Understand the relationship between
wavvelength, frequency & energy of EM waves

Announcements: The flame test lab and
the Bohr model assignment should both be in your journal now.

Extra credit assignment

Thurs., Oct. 20, 2011

Warm-up: Try these Transmutation Reactions:

Objectives: Explain how fireworks generate the
beautiful array of colors

Announcements: Class split--bring a cereal box tomorrow

Electromagnetic spectrum mini-lesson

• Video1
• Video 2
• EM Spectrum
  

Extra credit assignment
Finish Flame test & atomic spectra lab
Determine the identity of the mystery gas
(tinyurl.com/shafferspectra2)
Bohr model of the atom (finish today)

Wed., Oct. 19, 2011

Warm-up: Try these Transmutation Reactions:

Objectives: Explain how fireworks generate the
beautiful array of colors

Announcements: Class split--bring a cereal box tomorrow

Electromagnetic spectrum mini-lesson

• Video1
• Video 2
• EM Spectrum
  

Extra credit assignment
Finish Flame test & atomic spectra lab
Determine the identity of the mystery gas
(tinyurl.com/shafferspectra2)
Bohr model of the atom (finish today)

Tues., Oct. 18, 2011

Warm-up: Try these Transmutation Reactions:

Objectives: Explain how fireworks generate the
beautiful array of colors

Announcements: Class split--bring a cereal box tomorrow

Electromagnetic spectrum mini-lesson

• Video1
• Video 2
• EM Spectrum
  

Extra credit assignment
Finish Flame test & atomic spectra lab
Determine the identity of the mystery gas
(tinyurl.com/shafferspectra2)
Bohr model of the atom (finish today)

Mon., Oct. 17, 2011

Warm-up: Try these Transmutation Reactions:

Objectives: Explain how fireworks generate
the beautiful array of colors

Announcements: Class split--bring a cereal box tomorrow
Electromagnetic spectrum mini-lesson

• Video1
• Video 2
• EM Spectrum
  

Extra credit assignment
Determine the identity of the mystery gas
(tinyurl.com/shafferspectra2)
Bohr model of the atom (finish today)

Wed., Oct. 12, 2011

Warm-up: The potassium in a banana is 93.3 % is potassium-39.  Its exact isotopic mass is 38.963.  What is the other isotope that is naturally occurring and what is its precise isotopic mass?

Objectives:  Determine what the mystery gas is and Explain how light is produced when an atom is "energized".

Announcements:  Notebook evaluation
If I haven't seen your notebook--leave it.
Finish Flame test & atomic spectra lab
Bohr model of the atom

Tues., Oct. 11, 2011

Warm-up: Safety, sample prep & clean-up

Objectives:  Discover how particular
elments may be identified

Announcements:  Notebook evaluation
Flame test & atomic spectra lab
Bohr model of the atom 

Mon., Oct. 10, 2011

Warm-up: Atomic Structure - ways to "excite" atoms

Objectives:  Discover how particular
elments may be identified

Announcements:  Have your notebook 
up-to-date & ready for evaluation

How to prepare your sample holder (demonstration)

Flame test & atomic spectra lab

Fri., Oct. 7, 2011

Warm-ups: Thorium Decay Questions

Objectives:  Anatomy of an atom

Announcements: Have all assignments done and in your notebook for evaluation
Post Lab discussion

Online Interactive Periodic Table

Atomic Structure - ways to "excite" atoms
a
a

Thurs., Oct. 7, 2011

Warm-up:  Fill in the table

Objectives:  Anatomy of an atom

Announcements:  H 

Post Lab discussion

Your own periodic table of the elements

Online Interactive Periodic Table

Atomic Structure

F

Wed., Oct. 5, 2011

Warm-up:  How nuclear facilities generate power

Objectives:  Anatomy of an atom

Announcements:  H

Your own periodic table of the elements
Online Interactive Periodic Table
Atomic Structure

F

Tues., Oct. 4, 2011

Warm-up:  Penetrating Capacity of decay particles

Objectives:  Evaluation

Announcements: 
Correct the tests 
Fission & Mass Defect 
Nuclear chain reactions

Mon., Oct. 3, 2011

Quiz on atomic mass, Radioactive decay, isotopes & half-life

Fri., Sept. 30, 2011

Warm-up:  Transmutation Equations

Objectives:  Analyze data from radioactive decay and determine half-life

Announcements:  Quiz Monday over atomic mass,

radioactive decay, isotopes & half-life
Online graphing utility

Radioactivity & Half-Life Activity
Follow-up & answer analysis questions 
Decay Data for period 3
Decay Data for period 4
Decay Data for period 6

Thurs., Sept. 29, 2011

Warm-up:  Decay rates

Objectives:  Analyze data from radioactive decay and determine half-life

Announcements:  Quiz on Monday

Radioactivity & Half-Life Activity
Follow-up & answer analysis questions

Wed., Sept. 28, 2011

Warm-up:  Table of Nuclides.

Objectives:  Experience an analog of radioactive decay and half-life and analyze the data to better understand these concepts.

Announcements:  Homework check & discussion

Radioactivity & Half-Life Activity
Follow-up analysis questions

Tues., Sept. 27, 2011

Warm-up:  Describe the change an atom undergoes when the nucleus ejects a beta particle.

Objectives:  Experience an analog of radioactive decay and half-life and analyze the data to better understand these concepts.

Announcements:  Homework check & discussion

Radioactivity & Half-Life Activity
Follow-up analysis questions

Mon., Sept. 26, 2011

Warm-up:  Describe the change an atom undergoes when the nucleus ejects an alpha particle.

Objectives:  Experience an analog of radioactive decay and half-life and analyze the data to better understand these concepts.

Announcements:  grades are up

Radioactivity & Half-Life Activity

Fri., Sept. 23, 2011

Warm-ups:  Uranium Decay Series

Objectives: Radioactivity

Announcements: Table o' Contents

Results of Radioactive Decay
Transmutation
Table of Nuclides
Randomness of nuclear decay
Half-life
Leave Binders in the cupboard
Homework:  Find 5 other modes of radioactive decay, describe each and how the element transmutes as a result. 

Thurs., Sept. 22, 2011

Warm-ups:  Modes of Nuclear Decay

Objectives: Find the atomic mass of an element

Announcements: I will "collect" (evaluate) binders on Friday
Table o' Contents

Different kinds of averages

Isotopes

Atomic Mass

Homework:  Find 3 elements that have more than 1 naturally occurring isotope list each isotope and give the natural abundance of each.Homework:  Find 5 other modes of radioactive decay, describe each and how the element transmutes as a result.

Wed., Sept. 21, 2011

Warm-ups:  Fission vs. Fusion

Objectives: Create an analog for atomic mass

Announcements: 

Weigh each of the 10 pennies and record mass and year. 

What is the mass of a penny?  Give me just one number.

Different kinds of averages

Isotopes

Atomic Mass

Homework:  Find 3 elements that have more than 1 naturally occurring isotope list each isotope and give the natural abundance of each.

Tues., Sept 20, 2011

Warm-ups: 
1. I threw a plastic ball in the pool for my dog to fetch. The mass of the ball was 125 grams. What must the volume be to have a density of 0.500 g/mL.

2. After throwing the ball in the pool for my dog, the ball sprung a leak and began to fill with water. How many mL of water can the ball absorb before the ball sinks?

Objectives: Evaluate Divers

Announcements: Completed divers brought in 
but not in class for "evaluation" will receive 
a maximum of 60% credit automatically

What each "award" means...how you evaluate

No Homework

Mon., Sept. 19, 2011

No Warm-up

Objectives: Examine a nuclear disaster.

Announcements: Diver due Tomorrow.
Prizes for Best Theme, Best Game, Most Creative Theme/Design*, Best Fruition, Hee Haw award (funny)

Work on your divers get it done and leave it or bring it tomorrow

No Homework

Fri., Sept. 16, 2011

Warm-ups:Explain the picture.........

Objectives: Examine a nuclear disaster.

Announcements: Diver due on Tues., Sept. 20

3x5 card:  Sketch, label & annotate a diagram of an "atom".

What is the relationship between an atom and density?

Discussion...Nuclear events & disasters:

• Fukishima
• 3 Mile Island
• Chernobyl (Video) Part 1|Part 2|Part 3

Homework: Work on building your "cool" diver.  
Bring it to school Monday in whatever state it's in.

Thurs., Sept. 15, 2011

Warm-ups:

1.  A ball has a volume of 3 cm.  It’s mass is 108 grams.  Does it float or sink?

2.  What is the mass of an object whose density is 2.5 and has a volume of 6 mL?

3.  A can of corn sinks.  It’s mass is 382 grams.  Tell me about it’s volume.

Objectives: Predict floating/sinking based on density.

Announcements: Hand me your proposal with all the names of your participants.  Diver due on Tues., Sept. 20

Continue With your predictions, test the ones you are unsure of calculate the density.  Graph.

Make a density column:  Which is most & least dense?

Find the mass and volume of 10 pennies as accurately as you can.

Access a site like webelements.com and use that to verify whether a penny made of pure copper.  Explain.

 Homework: Start building your "cool" diver.  Bring it to school Monday.