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CRCT QUESTION Heat from your fireplace can reach you because of a. Radiation b. Convection c. Conduction d. UV HEADS UP FOR MY BUTTERCUPS Today: Review Wind, Study guide for Test, and Test Review games Tomorrow: Atmosphere Test Wednesday: Workday On project Thursday: Clouds Notes Next Week Friday and Monday NO SCHOOL Tuesday: Storm Notes Wednesday: PROJECT DUE ATMOSPHERE DISCUSSION Q’S Did you write in COMPLETE SENTENCES?!?! Wind is always named by where it is coming from! What would a wind be named (North or South) if it is blowing from Georgia to Florida? It is called a NORTH wind because it is moving from the north to the south. Most often noticed at the beach! http://www.coolweather.co.uk/ 1. 2. 3. 4. 5. Land heats up faster than water. Warm air over land rises. Air over water moves to shore. Would occur during the day. Named a SEA breeze because it comes from the sea. http://www.coolweather.co.uk/ 1. 2. 3. 4. 5. Land cools off faster than water. Warm air over water rises. Cool air from land takes its place. Would occur at night. Called a LAND breeze because the wind is coming from the land. CLOSER LOOK AT LOCAL WIND When Air WARMS up When air heats up, it loses mass and becomes less dense. The air becomes more spread out Because of this, warm air will rise When Air COOLS down When air cools down, it gains mass and becomes more dense The air will sink Look at these two diagrams. Can you tell which is the land breeze and which is the sea breeze? ANIMATED VERSION http://www.classzone.com/books/earth_science/terc/c ontent/visualizations/es1903/es1903page01.cfm 1. Blow steadily from the same direction all the time. 2. The path is curved because of the Coriolis Effect. http://cimss.ssec.wisc.edu TYPES OF GLOBAL WINDS A. B. C. Polar easterlies Westerlies Trade winds POLAR EASTERLIES From the POLES Wind belts that extend from the poles to 60° latitude Formed from cold sinking air moving from the poles creating cold temperatures WESTERLIES Wind belts found between 30° and 60° latitude Flow towards the poles from west to east carrying moist air over the Unites States TRADE WINDS Winds that blow from 30° almost to the equator Called the trade winds because of their use by early sailors Jet Stream 1. Very fast 200-400 kmh 2. Acts like a conveyor belt 3. Goes completely around the earth. 4. In US, it makes weather generally blow east to west 5. Measured by anemometer Notice that the jet stream does not stay the same every day. But it is always there! Notice on this weather map in motion how the rain moves toward the east over time. GLOBAL OR LOCAL WIND ????? 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Air over land is cooler and forms an area of high pressure. The cool air moves toward the ocean. Polar Easterlies Generally moves over short distances Jet stream Caused by unequal heating over a large area Can blow from any direction Land breeze Is effected by the Coriolis Effect Caused by unequal heating within a small area Valley breeze 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. The Doldrums Blows from a specific direction from day to day Sea breeze Horse latitude Effected by local geographic features Westerlies Caused because the angle of the sun giving the equator more direct sunlight Mountain breeze Trade winds During the day, air over the ocean is cooler and forms an area of high pressure. The cool air flows to the land SCIENCE OLYMPICS Game #1 STUDY GUIDE CHALLENGE You will be put in groups of 5 You will have 10 min. to fill out study guide 2 pts for every question answers right Game #2 Science Attack For every 2 in a row a member stays up, you get 2 pts. Game #3 Survivor 1 pt. for every correct answer Game #1 Study Guide Challenge Game #2 Science Attack Game #3 Survivor QUESTION Put the main layers of the atmosphere in order from the surface of the Earth outward ANSWER Troposphere Stratosphere Mesosphere Thermosphere QUESTION Water vapor is in what form? ANSWER vapor QUESTION Which layer contains the ozone Layer? ANSWER Stratosphere QUESTION The less mass in a given volume of air, the __________dense in the air ANSWER less QUESTION Layers of the atmosphere are divided based on: ANSWER Temperature QUESTION What is the FORMULA for density? ANSWER Density = mass/volume QUESTION The layer of the atmosphere that contains the northern lights is ANSWER ionsphere QUESTION The more mass in a given volume of air, the __________dense in the air ANSWER More QUESTION What are the two most abundant gases in the atmosphere? ANSWER Nitrogen and Oxygen QUESTION Give two examples of Global Wind ANSWER Trade Winds Westerlies Polar easterlies Or Doldrums QUESTION The rotation of the Earth causes curves in the wind and in the ocean. This is called: ANSWER Coriolis Effect QUESTION Land Breeze and Sea Breeze are examples of what kind of wind? ANSWER Local Wind QUESTION WHAT IS THIS AN EXAMPLE OF ANSWER Land Breeze QUESTION What type of local wind usually occurs during the day? ANSWER Sea Breeze QUESTION What is more DENSE cold air or warm air? ANSWER Cold Air QUESTION The ozone layer helps trap heat on earth from escaping and warms our surface. This is called ANSWER The Greenhouse Effect QUESTION Without the atmosphere we would not have: ANSWER Density=mass/volume QUESTION The formula for density is: ANSWER Liquid Water STUDY MATERIALS Study guide Answers Online under “test Info” Survivor Game under “test info” Review Class PowerPoints/Notes under “science” Study CRCT questions in binder Ticket to go BLOCK PROJECT Each layer must include: 1. 2. 3. 4. 5. 6. Temperature Width of the layer 2 or more special features Visual Representation Pressure Entry and exit BLOCK 2 PROJECT o o o o Section #1 Atmosphere properties Composition of the atmosphere The importance of the atmosphere Air Pollution Air Pressure Section #2 The Layers How they are divided up The order of each layer For each Layer: (Temp, measurement, 2 important features.) Section #3 Heat Transfer Thermal energy How heat is transferred (Radiation, conduction, and convection) Section #4 Wind Jet Stream What causes it Global winds (What causes it and examples) Local Winds (What causes it and examples) GREAT TOOLS Microsoft Publisher Microsoft word OR Create your own using noncomputer tools