 Warm-up: (10-2-14)
*Ch. 5-1 video lec notes, rubric, and
Journal #2 finch article out for stamp!
 1. Explain how growing an herbicide resistant crop:
 Can increase your crop yield
 Increases your use of herbicide
 2. The overuse of herbicides can cause weeds to become _____ to it.
 3. The use of rBGH can lead to infections in cows. What will these cows need to be given in
order to fight the infection?
 4. How is GE different from artificial selection?
 How many giant convection currents (cells) does earth have?
 Contrast weather and climate.
 What are the 2 most important factors in determining climate?
 What other factors can affect climate?
 Why do the high and low temp of a coastal areas differ slightly, while an inland area can have a
big difference between high and low temps?
 What is a heat island effect?
 Why is wind important?
 Give two pros and two cons
 In what layer of the atmosphere does weather happen?
 Troposphere
 What pattern do you see in Earth’s current climate zones?
 What is the rainshadow effect?
 Chapter 7-1: Climate
 Mrs. Boyd
 Global Air Circulation: Distributing Heat
 Global air circulation is affected by:
 uneven heating of the earth’s surface
 seasonal changes in temperature and precipitation
 What causes the seasons?
 Coriolis Effect
 Global air circulation is affected by the rotation of the earth on its axis.
 Convection Currents
 Global air circulation is affected by the properties of air, water, and land.
 What causes air to circulate on Earth?
 What is a high pressure area?
 Cool dense air that is dropping toward earth and warms, fair weather follows this if high stays
put
 what is a low?
 Low density warm air spirals and rises, thus cooling and releasing moisture
 Weather on the move
 What is a cold front?
 When a mass of cold, dense air pushes up a warm mass causing thunder clouds
 And a warm front?
 Warm air strikes cold dense air and rises, thus cooling and releasing moisture (Rain)
 El Nino
 El Nino Southern Oscillation (ENSO)
 Normal winds keep warm water on west side of pacific, if winds weaken, warm water moves
east and changes weather patterns worldwide
 Affects upwelling on Western side of Americas
 animation
 Other factors that influence climate:
 What is the greenhouse effect?
 Natural warming of the atmosphere depending upon the concentration of greenhouse gasses
 What are some greenhouse gases?
 Water
 carbon dioxide
 methane
 nitrous oxide (N2O)
 ozone
 Check for Understanding:
 1. What influences climate?
 2. In an El nino year, the surface ocean temperature is (warmer, cooler) and this causes an
upwelling to (occur, be blocked).
 3. What is the rain shadow effect?
 4. Describe what happens in a high pressure area? Low pressure?