Dec. 13

 Science 8:

• Students learned about the Particle Model Of Matter in Class today
• Here is the note from class: https://drive.google.com/file/d/1w-WWqgchRIZzZn3G9AYwvrgHNjzwwPJh/view?usp=sharing

• Students were asked to answer the following questions:

1. Why is a gas compressible?
2. What happens to the density of a fluid when cooled?
3. Why can’t you see the salt particles in a solution of salt water

• Students will write the Unit Final Exam retest on Wed. Dec. 15

Science 9:

• We discussed applications of pH
• We learned about acid rain with assistance from the 3 videos:
• https://www.youtube.com/watch?v=1PDjVDIrFec&t=9s

• https://www.youtube.com/watch?v=Nf8cuvl62Vc

• https://www.ted.com/talks/joseph_goffman_whatever_happened_to_acid_rain?utm_campaign=tedspread&utm_medium=referral&utm_source=tedcomshare#t-320750

• Students were asked to answer the following questions:

• What is acid rain?

• What causes acid rain?  

• What is released when fossil fuels are burnt? 

• What do these substances form when they mix with water in the atmosphere?

• What are some impacts of acid rain on:

1. Aquatic organisms: 

2. Forests:

• Students who missed the pH quiz will write tomorrow in class