Bellwork

Monday 11.5 - Watch this video & answer the following question.

- How is the mixture separation lab we are working on last week similar to the process described in the video from the Kennecott Utah Copper Mine?

Tuesday 11.6 - Y

1. Watch excerpts of this video and answer the following questions:
   1. What examples of physical properties does the video give?
   2. What examples of chemical properties does the video give?
2. Watch excerpts of this video and answer the following questions:
   1. What examples of physical changes does the video give?
   2. What examples of chemical changes does the video give?

Wednesday: 11/7: Name the physical & chemical properties of the following items

1. Magnet
2. Textbook
3. Hydrochloric Acid

Thursday: 11/8: Write down a physical and chemical property of the compound you chose for Applications.

Friday 11/9:

1. Whole milk is a mixture. When bacteria in the milk digest part of the mixture, changes occur. Lactic acid is produced, and the milk tastes sour. Explain why this process is a chemical change.
2. Sharpening a pencil leaves behind pencil shavings. Why is sharpening a pencil a physical change instead of a chemical change?