Spread of an idea from people of authority contagious diffusin. The correlation factor, f, accounts for the extent of correlation, with f 1 for. The assistance comes, for instance, from the proteins embedded in a biological membrane. In contrast, facilitated diffusion, as the name implies, is one in which assistance is required. Expansion diffusion comes in two types, contagious and hierarchal. Diffusion is the process by which a particular phenomenon such as a contagious disease, a technological innovation or even an idea is spread from person to person over a period of space and time.
By observing that the european american settlers could make marks on pieces of paper to record agreements and repeat lengthy speeches, sequoyah, a cherokee who could neither read or write, devised a system of writing for the cherokee language. Culture is a broad terminology, and cultural diffusion is even broader. Types of diffusion class activity pdf 89 kb nasa facts. Sketch the distributiondiffusion so you remember ituse color, with the sketch include how your pattern represents the definition you may use your book. They learn to compare and contrast popular and folk culture and the geographic patterns associated with each. Diffusion paths of islam spread mainly by expansion diffusion through 17th century through asia, north africa. Uganda is one of six african states that lies on the equator. Assortative mixing of adopter categories by rogers correlates with the standardized failure to predict the month. Mechanisms of diffusion in materials mit opencourseware. Popular culture often spreads through a combination of different types of diffusion. In facilitated diffusion, a molecule is transported across a membrane with the help of a carrier protein. This is a 2 page reading exercise that can be used as homework, classwork, an introductory material for simple diffusion, or any type of reading comprehension practice. Jul 11, 2019 in geography, the term diffusion refers to the spread of people, things, ideas, cultural practices, disease, technology, weather, and other factors from place to place.
The three main types of this phenomenon are expansion diffusion, stimulus diffusion, and. Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. Diffusion definition and examples biology online dictionary. Manishika explains the meaning of culture, types of culture, material, nonmaterial culture, diffusion and types of relocation and expansion diffusion in culture. Origins and diffusion cultural geography a geography of religion for many people, religion, more than any other cultural trait, defines who they are and how they understand the world around them. Rapid and wide spread diffusion of a characteristic throughout the population. The structural component describes the role of evolution in the structure of societies and economies. Environmental geography helps in understanding the physical land forms and their relationship with human activities. This kind of proliferation is known as spatial diffusion. Expansion diffusion snowball method of diffusion spread from person to person in place diseases through western hemisphere democracy from u. This has been a largely descriptive body of research, with its roots in agricultural studies. Timegeography is now 1999 more widely accepted as an approach integrating the three pillars of the drama the view of timegeography as a mechanistic device for social engineering has almost disappeared. Types of cultural diffusion world geography with savino. Passive diffusion is the movement of molecules across a membrane, such as a cell membrane.
One method of diffusion is known as expansion diffusion, which is broken down into three distinct types. Pass out the cultural diffusion worksheet and read it together, have the students work on it during the remainder of class and walk around the room to make sure that. Occurs when numerous places or people near the point of origin become adopters or infected, in the case of a disease. Many people cutting their hair the way taylor swift did. Pdf the role of geography in the complex diffusion of innovations.
Diffusion of innovation an overview sciencedirect topics. Hagerstrand 1968s model of diffusion implies the existence of a mean. A pattern in which the main channel of diffusion is. The ap human geography course prepares students to explain how globalization is. But the criticism remains that timegeography ignores the importance and the capacity of human agency p. Have each group member share their examples with the rest of the group. Expansion, contagious, hierarchical, stimulus and relocation. A familiar example is the perfume of a flower that quickly permeates the still air of a room. Types of cultural diffusion world geography with savino at.
Learn diffusion human geography types with free interactive flashcards. At this stage, diffusion introduces a new differentiation inside geographical space. Students will learn the differed types of cultural diffusion and practice them by creating illustrated examples on a worksheet. Sketch the distribution diffusion so you remember ituse color, with the sketch include how your pattern represents the definition you may use your book. Local factors that act as barriers to the diffusion process are of three types. An example of hierarchical diffusion is the religion of christianity hierarchical diffusion example geography. In geography, the term diffusion refers to the spread of people, things, ideas, cultural practices, disease, technology, weather, and other factors from place to place. It is the outcome of the spread of literacy and education, intercountry trade relations, technological development, and religious interventions. The spread of an idea through physical movement of people from one place to another.
This activity was developed by stephanie cardona, ap human geography. Public commemoration is a socially directed process. This resource paper on geographcal spatial diffusion eric. I can identify and explain the different types of diffusion used in ap human geography. The spread of an idea throuhg physical movement of people from one place to another. Stimulus, contagious, and hierarchical diffusion are all kinds of expansion diffusion. A trait develops in a hearth and remains strong there while also spreading.
The 3 types terms of expansion diffusion contagious diffusion. Robert haining is lecturer in geography, university of sheffield. Diffusion processes may be expansionist or relocational in character. Barriers to diffusion may be physical or cultural, such as differences in languages or levels of technology. Diffusion is defined as the geographic spread of protest activity and is measured as the number of cities involved in protest activity in a given week. By diffusion in geography, we are usually talking about contagious diffusion, or the widespread dispersal of an innovation, culture, disease, etc, from a centre or centres. A form of expansion diffusion in which nearly all adjacent individuals are affected. This religion had spread from jerusalem during the roman empire all the way to africa, and has now developed into many different sects including the catholic church, protestantism, eastern orthodox church, and oriental orthodoxy to name a few. Interaction models and spatial diffusion processes wiley online. Gasses and molecules in a liquid have a tendency to diffuse from a more concentrated environment to a less concentrated environment. Diffusion is the process by which a characteristic spreads across space from one place to another. Types of cultural diffusion world geography with savino at columbine high school studyblue flashcards.
Diffusion of nasa technology 25 redistribute the students into new groups each of which has one student that was assigned relocation diffusion, one student from hierarchical, one student from contagious, and one student from stimulus. Religion dominates the lives and behavior of billions of people worldwide. The origins of interest in diffusion in geography can be traced back to the work of the german geographer frederick ratzel 18441904. According to this theory, technological innovation is communicated through particular channels, over time, among the members of. Diffusion patterns ap human geography varsity tutors. Diffusion of technology after students learn about the many nasa technologies that have been integrated into society since the apollo program, they will answer a freeresponse essay question explaining the diffusion involved.
In other words, it is the spreading of an underlying principle of an idea when the idea as a whole cannot spread to a particular culture. This is a complete lesson for one class period 90 minutes on the effects of cultural diffusion, including assimilation, acculturation, multiculturalism and syncretism. Since spatial diffusion takes place on many different scales, chapter three focuses on the various models of individual or microlevel diffusion, urban diffusion, regional diffusion, and macrolevel or national and international diffusion. Aug 16, 2016 cultural diffusion rap for ap human geography. Identify two specific means by which new expressions in popular culture are diffused globally. Ugandas most populated cities are located in the central and eastern regions of the country. Diffusion is the spread of a phenomenon, such as an idea, a technological innovation, or a disease, over space and time. Welcome to ap human geography all kinds of maps useful tools and resources unit 1.
Dec 17, 2017 this branch of geography helps in understanding the various types of human activities over an area and their resultant effect on this area. Types of diffusion ap human geography flashcards quizlet. A crossclassification of some types of diffusion processes. Stimulus diffusion a form of diffusion in which a cultural adaptation is created as a result of the introduction of a cultural trait from another place. Shoemaker february 18, 2008 diffusion is the dispersion of information about innovations or later, news throughout a social system in a defined time period.
Diffusion studies in these various disciplines have ranged from the rapid diffusion of the. Provide the differences between the four different types of diffusion and provide examples. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A systemic approach to cultural diffusion and reconstruction. Expansion diffusion is when innovations spread to new places while staying. Diffusion theory unc school of media and journalism. This is a branch of physical geography that deals with the study of the weather patterns and how these weather patterns affect the climate of a region on the planet. Describe how terms, such as those shown in the table, diffuse spatially through each of the following. White mixes hot fire and diffusion so you sound cool and become smart s. Examples of it can be sought in several realms, like social, political, religious, intellectual, technological, and economical realms.
Occurs when the diffusion innovation or concept spreads from a place or person of power or high susceptibility to another in a leveled pattern example. There are three different forms of cultural diffusion. Used for ap human geography, but can be applied to diffusion in general. Diffusion is the tendency of molecules to spread out in order to occupy an available space. Diffusion is an important concept in human geography. Study 9 types of cultural diffusion flashcards from kayla d. The first one does not require assistance when moving down the concentration gradient. Welcome to ap human geography, a college board advanced placement course that. Start studying 4 types of diffusion ap human geography. Through this historyplex article, let us find out the definition of cultural diffusion, and the meaning it adds to our lives. In the second volume of his highly influential anthropogeographie, ratzel described the diffusion of cultural traits. Passive transport is the diffusion of substances across a membrane. Cultural diffusion defined explain how europe benefited from cultural diffusion during the period c.
Cultural diffusion is the spreading of a cultural trait e. Apr 10, 2019 diffusion is the passive movement of molecules from an area of high concentration to an area of low concentration. This exercise covers the simple diffusion of gases across the respiratory membrane oxygen and carbon dioxide, and how the rate. The three main types of this phenomenon are expansion diffusion, stimulus diffusion, and relocation diffusion. Hierarchic, contagious, stimulus, and relocation diffusions. Ap human geography freeresponse questions frq fiveable. Spread of an idea from one play to another by snowballing.
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