CHEMISTRY 1.2:  PROPERTIES OF MATTER (September 9, 2020)

IN CLASS TOPICS:

• Video:  Physical vs Chemical Properties (skip around)
• Video:  Intensive Extensive Properties (first 1:20)
• Video: Evaluate: Pure Substances and Mixtures
• Video:  Chemical Changes: Crash Course Kids #19.2
• Video: The Periodic Table: Crash Course Chemistry #4
• Video:  Bill Nye the Science Guy®: Atoms – Video
  
• Video:  The 2,400-year search for the atom - Theresa Doud (MAYBE)

---

HOMEWORK:
9 & 10th Graders: 

• Science Journal:  2 short 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. Memorize 1-10.

7th Graders: 

• Science Journal:  Draw (or find a picture about) and Write a few notes about 4 things you learned;
  
• Study for quiz.
• Practice Flashcards.  Memorize 1-10.

5th Graders: 

• Science Journal:  Draw (or find a picture about) and Write a few notes about 2 things you learned. 
  
• Practice Flashcards.  Memorize 1-10.

ASSIGNED RESEARCH QUESTIONS 9th/10th Graders:  (3 each)
**If you want to also use an image and it won't download, send me a link**

1. What unit of measurement doe scientists use? 
2. Why is it important for all scientists, everywhere, to use the same system of measurement?
3. What is the difference between SI units and FPS units which Americans use?
4. Why is it important to use "units" in calculations?  (like labeling grams or meters, etc.)
   
5. What is a conversion factor?
6. What is the difference between mass and weight?
7. What is density?
   
8. What is scientific notation?
9. What is a significant figure?
10. What is the formula to convert temperature from Celsius to Fahrenheit? What is the formula to convert temperature from Fahrenheit to Celsius?
11. What is the formula to convert  Celsius to Kelvin?
12. What is the difference between precision and accuracy?