Principal Sponsors
Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
National Science Foundation
An independent federal agency created by Congress in 1950 to promote the progress of science.
King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
Semiconductori
Dope the semiconductor to create a diode. Watch the electrons change position and energy.
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Vezi mai jos.
Resurse
Principalele subiecte
- Semiconductori
- Diodă
- Tranzistori
Studii de caz
- Recognize that the battery is the driving force in a circuit.
- Describe how n and p dopants change the structure of electron energy levels in a semiconductor.
- Explain why an np junction acts as a diode, allowing current to flow one way but not another.
Sfaturi pentru profesori
Ghidul profesorului (pdf) conţine idei propuse de echipa PhET.
Idei pentru predare
Puteţi trimite ideile şi activităţile personale.
Versiuni traduse:
Cerinţe software
| Windows | Macintosh | Linux |
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Microsoft Windows
XP/Vista/7 Sun Java 1.5.0_15 or later |
OS 10.5 or later
Sun Java 1.5.0_19 or later |
Sun Java 1.5.0_15 or later |
Credite
| Echipa de proiectare | Alţi colaboratori | Mulţumiri |
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