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Teaching has changed in the past 10-20 years, and this module outlines four major new trends in education and how they affect today's teachers.

In the past decade or two teaching has changed significantly, so much in fact that schools may not be what some of us remember from our own childhood. Changes have affected both the opportunities and the challenges of teaching, as well as the attitudes, knowledge, and skills needed to prepare for a teaching career. The changes have influenced much of the content of this book.

To see what we mean, look briefly at four new trends in education, at how they have changed what teachers do, and at how you will therefore need to prepare to teach:

  • increased diversity: there are more differences among students than there used to be. Diversity has made teaching more fulfilling as a career, but also made more challenging in certain respects.
  • * increased instructional technology: classrooms, schools, and students use computers more often today than in the past for research, writing, communicating, and keeping records. Technology has created new ways for students to learn (for example, this textbook would not be possible without Internet technology!). It has also altered how teachers can teach most effectively, and even raised issues about what constitutes “true” teaching and learning.
  • greater accountability in education: both the public and educators themselves pay more attention than in the past to how to assess (or provide evidence for) learning and good quality teaching. The attention has increased the importance of education to the public (a good thing) and improved education for some students. But it has also created new constraints on what teachers teach and what students learn.
  • increased professionalism of teachers: Now more than ever, teachers are able to assess the quality of their own work as well as that of colleagues, and to take steps to improve it when necessary. Professionalism improves teaching, but by creating higher standards of practice it also creates greater worries about whether particular teachers and schools are “good enough”.

How do these changes show up in the daily life of classrooms? The answer depends partly on where you teach; circumstances differ among schools, cities, and even whole societies. Some clues about the effects of the trends on classroom life can be found, however, by considering one particular case—the changes happening in North America.

New trend #1: diversity in students

Students have, of course, always been diverse. Whether in the past or in the present day, students learn at unique paces, show unique personalities, and learn in their own ways. In recent decades, though, the forms and extent of diversity have increased. Now more than ever, teachers are likely to serve students from diverse language backgrounds, to serve more individuals with special educational needs, and to teach students either younger and older than in the past.

Language diversity

Take the case of language diversity. In the United States, about 40 million people, or 14 per cent of the population are Hispanic. About 20 per cent of these speak primarily Spanish, and approximately another 50 per cent speak only limited English (United States Census Bureau, 2005). The educators responsible for the children in this group need to accommodate instruction to these students somehow. Part of the solution, of course, is to arrange specialized second-language teachers and classes. But adjustment must also happen in “regular” classrooms of various grade levels and subjects. Classroom teachers must learn to communicate with students whose English language background is limited, at the same time that the students themselves are learning to use English more fluently (Pitt, 2005). Since relatively few teachers are Hispanic or speak fluent Spanish, the adjustments can sometimes be a challenge. Teachers must plan lessons and tasks that students actually understand. At the same time teachers must also keep track of the major learning goals of the curriculum. In [link] (“Student Diversity”) and [link] (“Planning Instruction”), some strategies for doing so are described. As you gain experience teaching, you will no doubt find additional strategies and resources (Gebhard, 2006), especially if second-language learners become an important part of your classes.

Questions & Answers

Do somebody tell me a best nano engineering book for beginners?
s. Reply
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Devang Reply
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
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SUYASH Reply
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SUYASH
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s. Reply
of graphene you mean?
Ebrahim
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Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
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Cied
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Damian Reply
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Cied
types of nano material
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I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
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Porter
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Yasmin
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Cesar
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Uday
what is nanomaterials​ and their applications of sensors.
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what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
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AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
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Damian
silver nanoparticles could handle the job?
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I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
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Source:  OpenStax, Educational psychology. OpenStax CNX. May 11, 2011 Download for free at http://cnx.org/content/col11302/1.2
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