Science 10 Winds and the Coriolis Effect

Name ______

Part 1 Convection Currents

1. Explain how a convection current forms.

2. Describe what happens when a convection current begins on a non-rotating, small sphere. Include the terms equator, and North and South poles in your description. Explain where the most heat is located.

3. Draw a diagram to explain the above. Use colors for your arrows.

4. Why are low and high pressure areas created? Use the particle theory principles in your explanation.

Part 2 The Three Cell Model

5. This sphere is earth sized. Why does cool air sink and warm air rise? Which has more pressure?

6. Draw a diagram and include a brief explanation of the three cell model. What is a meteorologist? Use color. Part 3 The Coriolis Effect

7. What is the coriolis effect? What does it cause? What is the direction of veering each atmosphere?

8. At what latitudes will we find easterlies and westerlies? Where do you think we would find estuaries and doldrums? What are all of these names referring to?

9. Diagram and explain the coriolis effect found in Part 3.