CHEMISTRY 1.4:  The Atom & Atomic Mass (September 23, 2020)

IN CLASS TOPICS: 

• Video:  Bill Nye Atoms & Molecules Episode (22) 
• Video:  Professor Dave:  Nuclide Symbols: Atomic Number, Mass Number, Ions, and Isotopes (5)
  

FUN VIDEOS

• Dr, Binocs:  The Atom (7)
• Amoeba Sisters:  Properties of Water (7)
• Good Thinking! — What’s the “Matter” with Cells and Atoms? (9)
• How Its Made - 033 Steel (5)
• WOODEN MATCHES | How It's Made (5) 
• How Crayons are Made | How It's Made (5)

OTHER

• Periodic Table of the Elements
  
• Another Interactive Periodic Table
• Printable Periodic Table
  

Answers for Professor Dave Activity:

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HOMEWORK:  EVERYONE do your best to finish the Professor Dan activity on the back of your notes.
9 & 10th Graders: 

• 2 Entries about this week's learning. 
• Next week's assigned research (see below) due by Tuesday at 2:00; Send by email. 
• Study for Quiz.
• Practice Flashcards. Should have 1-20, 24-30, 35, & 38 memorized by next class.

7th Graders: 

• Draw (or find a picture about) and Write notes about 3 things you learned;
• Study for quiz.
• Practice Flashcards.  Should have 1-20, 24-30, 35, & 38 memorized by next class.
  

5th Graders: 

• Draw (or find a picture about) and Write notes about 2 things you learned. 
• Practice Flashcards.  Should have 1-20, 24-30, 35, & 38 memorized by next class.

ASSIGNED RESEARCH QUESTIONS 9th/10th Graders:  (One person does #1 and then 3 each #2-10)

1. How did each of these scientists contribute to the history of the theory of light?  (Just really briefly on each, like 1 -2 sentences.)
   • Sir Isaac Newton
   • J.C. Maxwell
   • Max Planck
   • Max Born
     
2. What is light?  What is the Quantum Theory of Light?
3. What are the properties of a wave? 
4. What are the properties of a photon?
5. What is the electromagnetic spectrum?
6. What is the hydrogen spectrum?  Do all the elements have the same spectrum as hydrogen?
7. How do electrons give off photons of light when heated?
   What is the Uncertainty Principle?
8. What is the difference between orbit and orbital?
   
9. Who developed the Electron-Cloud Model of the atom?  What is it?
10. What instrument can be used when light energies are so similar that it is difficult to discern between them?  Explain what happens to an atom to produce a color in a burner flame.