1. OBJ: Given activity sheet and notes SWBAT explain how land and sea breezes form with 70% accuracy. DN: HW Check – Heat Transfer Booklet ACT: Introduction to... Facts about Wind How Planetary Wind Belts Form Coriolis Effect Land and Sea Breezes Read text p.46-52 ; Complete Winds Booklet HW: Complete Winds Booklet; Work on Meteorology Activity Sheet; Weather Exam, Wed Oct 29; Interim Exam Nov 6

2. FACTS ABOUT WIND Wind is caused by air moving from high pressure to low pressure –Low: Warm air rises, less dense, humid, clouds, precipitation –High: Cold air sinks, more dense, dry, no clouds, clear sky Weather moves across the United States from west to east (prevailing winds, planetary wind belt, SW winds) Water heats up and releases heat energy slowly due to its high specific heat Land heats up and releases heat energy fast due to its low specific heat Specific Heat is the amount of energy needed to raise the temperature of a substance 1°C. Coriolis Effect is the curved path a fluid (liquid,gas) moves due to the rotation of the planet; moves clockwise, right in the northern hemisphere and counterclockwise, left in the southern hemisphere

3. HOW WIND BELTS ARE CREATED Atmospheric Convection Cells + Coriolis Effect Planetary Wind Belts [Westerlies, Easterlies, Trade Winds] ↓

4. Atmospheric Convection Cells

5. Coriolis Effect = Rotation Northern Hemisphere RIGHT CLOCKWISE Southern Hemisphere LEFT COUNTERCLOCKWISE

7. Planetary Wind Belts Prevailing SW Winds

8. Sea and Land Breezes High pressure Low Pressure Warm Air Rises Warm Air Rises Cool Air Sinks Cool Air Sinks SUNNY DAY Land H/C FAST Water H/C SLOWLY

9. TODAY, COPY THESE NOTES...

10. IMPORTANT 1) Thermometer bulb must be positioned just below water surface and soil surface; Thermometer is held in place by using masking tape and attaching thermometer to cup. 2) Before experiment begins, place heat lamp bulb close to cups

11. TOMORROW YOU GET: You are given a blank data table to collect your data and blank graph paper to plot your data. The graph will be a double line graph (1 st line = water; 2 nd line = soil) with one axis temperature and the other axis time. You are given 20 minutes to collect your heating and cooling data for soil (land) and water. You will be given 5 minutes to discuss and set up your soil versus water experiment. We will start at Time = 0, record the temperature. Then I will start the stopwatch on the smart board and every minute I will announce the time. You will record your temperature (ºC) & time data. At 20 minutes, the experiment is over. Plot your results and start the lab write up. READY?

12. DATA TABLE TEMPERATURE (LIGHT ON) - HEATINGTEMPERATURE (LIGHT OFF) - COOLING TIME (min)SANDWATERTIME (min)SANDWATER 0ºC 111 212 313 414 515 616 717 818 919 1020 TODAY, COPY THESE NOTES...

13. DATA TABLE TOMORROW YOU GET:

14. TIME (minute) TEMPERATURE (ºC) TODAY, COPY THESE NOTES... WATER SOIL

15. TOMORROW YOU GET:

16. Lesson Notes Land (sand): heats up and cools _______ Water (ocean): heats up and cools ______ Dark: heats up fast (absorbs heat energy) Light: cools (reflects heat energy) Smooth surfaces: cools (reflects heat energy) Rough surfaces: heats up (absorbs heat energy)