1. Warm Up 70 Today is the vernal equinox. What does that mean?
What do you know about our atmosphere?

2. Warm up 71
Watch video and make observations

3. Warm Up 72
Copy and fill in blanks: Earth’s atmosphere is made of _____% nitrogen, ______% oxygen, and ______% a bunch of other gases.
Give 3 reasons why our atmosphere makes life on Earth possible.

4. 3) List a few things different about warm air and cold air
3) List a few things different about warm air and cold air. 4) What is humidity?

6. Warm up 73 What is air pressure? How does air pressure change?
How do we measure air pressure

7. 4) Explain how a thermometer works.

9. Warm Up 74 Name the layer of the atmosphere: Hottest layer All weather
Contains ozone layer
Coldest layer
Most dense air
You breathe from

10. 2) Make some observations about this map

11. Warm up 75 Which type of heat transfer am I describing: Causes sunburn
Burn hand on hot pan
Warming hands over a fire
Where most energy in atmosphere comes from

12. 2) Which air mass is: Hot and Dry b) Cold and Dry c) Hot and humid
d) Cold and humid

19. Warm Up 76 What do you know about air pollution?
What do you think is the biggest sources of air pollution?

20. Warm Up 77
Give an example of a natural and human-made source of air pollution.
Explain the difference between primary and secondary air pollution.

21. 3) Explain how SMOG forms. 4) What is a temperature inversion?

22. 5) What do you think this is?

25. Warm Up 78 List 2 short term impacts to exposure to air pollution.
List 2 long-term impacts of exposure to air pollution.

26. 3) Describe 2 ways the Clean Air Act has improved air quality in the U
3) Describe 2 ways the Clean Air Act has improved air quality in the U.S. 4) Why is indoor air quality sometimes more of a concern than outdoor air pollution? NEED BOOKS MONDAY

27. Warm up 79 On the pH scale, what should “normal” rain water be?
On the pH scale, what is “acid rain?”
Give an example of an acid and a base.

28. 4) What is the major cause of acid rain
4) What is the major cause of acid rain? 5) Why is acid rain a problem in the eastern U.S.?

29. Warm Up 80 What do you know about thunderstorms?
What time of year do we get most thunderstorms?