Check-ins 1. What is the most abundant gas in the atmosphere? What is the second most abundant gas in the atmosphere? Together, these two comprise what percentage of atmospheric gases? 2.What is the lowest layer of the atmosphere? 3.The layers of the atmosphere are divided based upon what property? 4.In which layer of the atmosphere are most important weather phenomena? 5.By how many degrees is the Earth tilted on its axis? 6.Describe the autumnal and spring equinoxes.

Check-in Questions 1.What causes the transfer of energy in the from of heat from one object to another? 2.What is the greenhouse effect? How does it affect life on Earth? 3.Complete this chart 4.Complete the following sentence: Land heats ______________ than water. 5.As a result of what you said in #4, where are temperature variations greater? (over land or over water) Amount of the Sun’s energy that reaches Earth’s atmosphere that is reflected back into space Amount of the Sun’s energy absorbed by Earth’s atmosphere and clouds Amount of the Sun’s energy absorbed by the land and sea

Check In Questions Answer the following questions: 1.What gas is most important for understanding atmospheric processes? 2.Water vapor makes up what fraction of atmospheric gases? 3.Which holds more water vapor: warm air or cool air? 4. Henderson has a humid climate. What are evidences of humidity that you have seen? 5. How is the humidity different from the summertime to the wintertime? 6.Why is the air in buildings so dry in the winter?

Check In Questions 1.What happens when air is compressed? 2.Name the 4 processes that lift air. 3.Why are condensation nuclei important? 4.Name 3 examples of condensation nuclei.

Check In Questions 1.How are clouds classified? 2.Which cloud type is best described as sheets or layers that cover much or all of the sky? 3.Which term is used to describe clouds of middle height? 4.Which type of cloud means “rainy cloud”? 5.Which clouds are associated with thunder and lightning?

Check In – Use Complete Sentences 1.What is the ultimate energy source for most wind? 2.Which FORCE generates winds? 3.A STEEP pressure gradient produces which type of winds? 4.What part of the wind does the CORIOLIS EFFECT influence? 5.What type of weather is associated with HIGH Pressure systems? What about with LOW? 6.Low Pressure centers move across the US from ___________ to _____________ direction. 7.Explain the pattern of sea breezes. 8.Which phenomenon is associated with surface temperatures in the eastern Pacific that are colder than average?

Check Ins 1.Air masses are characterized by what properties? 2.How do the properties of the land that air masses travel over change the air mass? Give an example of this situation. 3.What are the boundaries between air masses called? What are the four types? What type of air is always forced up? 4.Which (from #3) is associated with short-lived, heavy precipitation? 5.Draw the symbols for each type of front.

CHECK IN QUESTIONS 1. What is the relationship between elevation and climate 2. The temperature of a body of water influences _____________. 3. What force is responsible for the distribution of heat and moisture around Earth? 4. What 3 climate elements can be affected by vegetation? 5. How does volcanic ash in the Earth’s atmosphere affect solar radiation and global temperature 6. How would changes in the shape of Earth’s orbit change the climate?