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A review of the PhET Simulations website. Fun, interactive, research-based simulations of physical phenomena from the PhET project at the University of Colorado – it's free! Helps students visually comprehend concepts.

Phet simulations

(External Link)

  • Fun, interactive, research-based simulations of physical phenomena from the PhET project at the University of Colorado – it'sfree!
  • The PhET simulation design principles are based on research on how students learn
  • PhET simulations have been found to be very effective in lectures, in class activities, lab and homework
  • Designed with minimal text so that they can easily be integrated into every aspect of a course

What the website offers:

  • It enables students to make connections between real-life phenomena and the underlying science, deepening their understanding andappreciation of the physical world
  • Helps students visually comprehend concepts
  • PhET simulations animate what is invisible to the eye through the use of graphics and intuitive controls such as click-and-drag manipulation,sliders and radio buttons
  • In order to further encourage quantitative exploration, the simulations also offer measurement instruments including rulers, stop-watches,voltmeters and thermometers
  • As the user manipulates these interactive tools, responses are immediately animated thus effectively illustrating cause-and-effectrelationships as well as multiple linked representations
  • There are simulations for physics, biology, chemistry, earth science, maths
  • You can also search for them by grade level (American standards)
  • You can find some simulations in Afrikaans (and many other languages too)

For teachers:

  • There is a page dedicated to teachers – an ideas and activity page: (External Link)
  • There are teacher submitted contributions, designed to be used in conjunction with the PhET simulations
  • These contributions include homework assignments, lectures, activities, concept questions and more, and enable you to get the most out ofyour PhET experience
  • If you have developed your own material, they encourage you to contribute it

Questions & Answers

so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
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
good afternoon madam
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
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
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.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Physics - open resources and tools. OpenStax CNX. Jun 02, 2011 Download for free at http://cnx.org/content/col11308/1.3
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