Wind is mainly the outcome of a thermodynamic principle and of the coriolis effect due to the counterclockwise rotation of the earth. There are three pairs of major global wind systems, or wind belts. Section3 global winds and local winds the atmosphere name class date chapter 15 after you read this section, you should be able to answer these questions. Then complete the diagrams in your copy of figure 1. Global wind patterns complete the following activities to identify patterns made by global winds. Pressure and wind patterns are more complex in the midlatitudes. The location over which an air mass forms will determine its characteristics. Global wind patterns worksheet from the above 569x343 resolutions which is part of the worksheet. Interpret the effects of temperature change and the earths rotation on water movement.
Going global when europeans first began exploring other continents, they quickly. General atmospheric circulation columbia university. The coriolis effect on a flat spinning earth introduction in this activity, we begin to study the coriolis effect, the effect that earths rotation has on the motion from the viewpoint of an observer on earth of flying objects, including air molecules. This area of calmness and almost windless is called the doldrums. My intention with these questions is for students to understand the impact of global winds in real life by recognizing wind patterns impact direction and speed of pilots flight plans.
The combination of global convection and earths rotation. Global wind patterns notes worksheet for 8th 10th grade. At the poles, the cooler air sinks and moves back toward the equator. Give each zone a different color and have the students decide what the limits of an eastwest direction would be for each zone. What do you notice about the global wind and surface current patterns. Fold the two sheets of paper long ways in half fold. Warm air around the equator is lifted, which creates a suction effect for air masses coming from higher or lower latitudes. When cooling air sinks, the air flows steadily back down the equator. Global wind patterns the geography of transport systems. Worksheet global wind patterns editable earth science. In area near the equator, the sun is almost directly overhead for most of the year. We will deal with the global circulation patterns later in this lesson. Global surface wind patterns wind and human history three important global wind pa tterns exist in each he misphere figure 11.
Take a quick interactive quiz on the concepts in the global wind patterns of the three wind belts or print the worksheet to practice offline. Examine the individual pressure cellsthe isobars around the letters h and lin figure 2. Global wind patterns flipbook monroe township school. On local news broadcasts, weather forecasters often spend several minutes discussing what the weather will be like over the next few days. Relate how moisture evaporating from the oceans affects the weather patterns and weather events such as hurricanes. We need to look at some basics of pressure and winds which will assist with the understanding of global wind and pressure belts. These global wind patterns drive large bodies of air called air masses. North letter a, equator letter b, and south letter c as warmer or colder ii.
If you do not find the exact resolution you are looking for, then go for a native or higher resolution. The illustration below portrays the global wind belts, three in each hemisphere. Unequal heating of the earths surface also forms large global wind patterns. Global wind patterns worksheet inspirational 17 best images about weather nc grade science on global winds benefits understanding with planet technology is quite important inside land building. South america africa europe asia australia antarctica north america equator arctic circle ancer apricorn antarctic circle pacific pacific atlantic ocean indian ocean ocean ocean arctic ocean prevailing prevailing westerlies. Such pressure differences result in planetwide winds. Students will identify and color code global winds, then glue into interactive science or social studies notebook. These converging trade winds produce general upward winds as they are heated, so there are no steady surface winds. As a formative assessment, students show their understanding of global winds and jet streams by diagramming global winds and writing answers to follow up questions. On the blank map of the globe have students try and simplify the diagram. Global winds and currents on the map below, sketch and label the global winds exploring earth science pg.
Global wind systems determine the major weather patterns for the entire planet. Because tropical regions are warmed more effectively than polar regions, differences in atmospheric pressure develop between these latitude extremes. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In this global wind patterns activity, students take notes on the wind patters in the southern and northern hemispheres.
Global winds are produced by the uneven heating of the earth. Lesson 153 global winds and local winds notes what you will learn. Insolation is the amount of incoming solar energy over an area per unit of time, which is unevenly distributed on the earth. This worksheet has 26 earth science regents questions about global wind patterns.
Causes of global winds, earths rotation and wind path, planetary wind belts, wet latitudes vs. They indicate the latitude the winds occur at, the pressure, the characteristics and the direction the wind moves. This global wind patterns notes worksheet is suitable for 8th 10th grade. Here, air is heated and rises, leaving low pressure areas behind. Fill in and label the global wind patterns using the following colors. Sailors have used these winds to travel to and explore new lands throughout human history.
Students should look at the map of global wind patterns. These winds are favored by sailors because of their warmth and steady stream. Use the same color when writing the name of the wind on the tab. Global wind patterns, page of 43 the earths surface is constantly being heated by energy from the sun. The trade winds coming from the south and the north meet near the equator called the. Which statement best explains how the coriolis effect influences weather conditions. Activity 1 global wind cells over the major parts of the earths surface there are largescale wind circulations present. In this global wind patterns worksheet, students take notes on the wind patters in the southern and northern hemispheres. What wind systems move air from about 30 north or south latitude toward the equator. Relate unequal heating of land and water surfaces to form large global wind systems and weather events such as tornados and thunderstorms. Moving to about thirty degrees north and south of the equator, the. For example, air over the tropical ocean becomes exceptionally hot and humid. Making weather vanes to find prevailing winds wind energy. Each of these wind belts represents a cell that circulates air through the atmosphere from the surface to high altitudes and back again.
Relationships between air temperature, air pressure and wind. The northeast southeast trade winds in the northern hemisphere and the northeast southeast trade winds in the southern hemisphere. Every thing air is on the move global winds see more. This diagram of global winds trade winds can be used in a science unit on earth science or weather, or a social studies unit involving trade. According to the diagram, what forms as a result of rising air at the. Global winds are composed of three different wind patterns. The westerlies, polar easterlies, trade winds, doldrums, and the horse latitudes. The earth is a changin glaciers, water and wind, oh my. Winds and global circulation this is the wind pattern on an idealized earth.
In this lesson, we will explore how insolation creates global wind. Explains how air temperature, moisture, wind, precipitation, and global patterns influence weather teacher background the following are demonstrations and labs to complement your teaching on weather and climate. Today i have no problem, i even had an emotional time over the weekend where i did eat a little too much but it didnt affect me at all. Global wind patterns center for environmental studies. Air masses are thousands of feet thick and extend across large areas of the earth. Explain the relationship between air pressure ad wind direction. Download this image for free in hd resolution the choice download button below. Wind is moving air caused by differences in air pressure.
Global wind patterns is the first map ocean surface current patterns is the second map questions. Students will need to research and read about weather, but the demonstrations. They curve to the west as they blow toward the equator. Westerlies are wind belts that are found between 30 and 60 latitude. Describe the movement of air in the huge convection current between 30 north latitude and the equator. Warm air rises at the equator and moves toward the poles. Trade winds are wind belts that blow from 30 lati tude almost to the equator. Displaying top 8 worksheets found for global wind patterns. The region of earth receiving the suns direct rays is the equator.
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