Signal Circuit

Signal Circuit Screenshot
Browser-Compatible Version
  • Signal Circuits
  • Circuits
  • Switches
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  • Signal Circuits
  • Circuits
  • Switches


Why do the lights turn on in a room as soon as you flip a switch? Flip the switch and watch the electrons. Does the light turn on immediately? Explain using your observations of the model.

Sample Learning Goals

  • Explain what happens when you turn on the switch.
  • Determine whether the blue spheres are positive or negative charges. How can you tell?
Version 1.05

Teacher-Submitted Activities

Basic Electricity: short inquiry activities includes ideas for several sims A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein HS
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein MS Other Biology
Earth Science
MS and HS TEK to Sim Alignment Elyse Zimmer MS
Other Biology
Signal Circuit and DC Circuit Construction Kit Lab! Jamie Schoenberger MS Guided
Electric Switches (Signal) Roberto Marrero HS Lab Physics
Attività sul circuito elettrico semplice Alessandra De Conti MS Remote
sperimenta e rispondi giuliana lo giudice HS Guided

Language Download or Run Tips
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Armenian All Armenian Download Run now Ազդանշանի շղթա
Basque All Euskara Download Run now Seinalearen zirkuitua
Bosnian All Bosanski Download Run now Signal i provodnik
Bulgarian All български Download Run now Електрическа верига
Chinese (Simplified) All 中文 (中国) Download Run now 信号电路
Chinese (Traditional) All 中文 (台灣) Download Run now 信號電路
Croatian All hrvatski Download Run now Struja i signal
Czech All čeština Download Run now obvod signálu
Danish All Dansk Download Run now Signalkredsløb
Dutch All Nederlands Download Run now Stroomkirng
French All français Download Run now Transmission d'un signal dans un circuit
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Hebrew All עברית Download Run now מעגל זרם
Hungarian All magyar Download Run now Elektromos jel vezetékben
Indonesian All Bahasa Indonesia Download Run now Sinyal Rangkaian
Italian All italiano Download Run now Circuito elettrico
Japanese All 日本語 Download Run now 信号回路
Kannada All Kannada Download Run now ಸಿಗ್ನಲ್ ಸರ್ಕ್ಯೂಟ್
Kazakh All Kazakh Download Run now Белгінің circuit
Korean All 한국어 Download Run now 신호기 회로
Kurdish (Turkey) All Kurdish (Turkey) Download Run now Gêjena Sînyalê
Latvian All Latviešu Download Run now Signāla ķēde
Macedonian All македонски Download Run now Сигнал и проводник
Mongolian All Монгол (Монгол) Download Run now Хэлхээний Дохио
Persian All فارسی Download Run now مدار جریان
Polish All polski Download Run now Obwód elektryczny
Portuguese All português Download Run now Sinais de circuito
Portuguese (Brazil) All português (Brasil) Download Run now Sinal de Circuito
Romanian All română Download Run now Semnal Circuit
Russian All русский Download Run now Сигнал в цепи
Serbian All Српски Download Run now Сигнал и проводник
Slovak All Slovenčina Download Run now Signál v obvode
Slovenian All Slovenščina Download Run now Signalni krog
Spanish All español Download Run now Señal de Circuito
Spanish (Mexico) All español (México) Download Run now Señal de Circuito
Spanish (Peru) All español (Perú) Download Run now Señal del Circuito
Swedish All svenska Download Run now Signalkrets
Thai All ไทย Download Run now วงจรสัญญาณ
Turkish All Türkçe Download Run now Sinyal Devreleri
Turkmen All Turkmen Download Run now Signal beriji zynjyry
Ukrainian All українська Download Run now Просте коло зі струмом
Vietnamese All Tiếng Việt Download Run now Mạch Bóng đèn

Windows Macintosh Linux
Microsoft Windows
Latest version of Java
OS X 10.9.5 or later
Latest version of Java
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Design Team Third-party Libraries Thanks To
  • Sam Reid (developer)
  • Carl Wieman
  • Interviewer: Wendy Adams