Simplified MRI

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  • MRI

Topics

  • MRI

Description

Is it a tumor? Magnetic Resonance Imaging (MRI) can tell. Your head is full of tiny radio transmitters (the nuclear spins of the hydrogen nuclei of your water molecules). In an MRI unit, these little radios can be made to broadcast their positions, giving a detailed picture of the inside of your head.

Sample Learning Goals

  • Recognize that light can flip spins if the energy of the photons matches the difference between the energies of spin up and spin down.
  • Recognize that the difference between the energies of spin up and spin down is proportional to the strength of the applied magnetic field.
  • Describe how to put these two ideas together to detect where there is a higher density of spins.
Version 1.08

Teacher Tips

Download teacher tips PDF Overview of sim controls, model simplifications, and insights into student thinking ( PDF ).

Teacher-Submitted Activities

Visualization and Visual Illusions SIM Homework A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Kathy Perkins, Carl Wieman UG-Intro HW Physics
MRI lecture and homework A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Sam McKagan, Kathy Perkins, and Carl Wieman UG-Adv
UG-Intro
CQs
Demo
Physics
Undergrad MRI Workshop Activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Paul Kinghorn UG-Adv
UG-Intro
CQs
Lab
HW
Physics
Biology
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein HS Other Chemistry
Earth Science
Biology
Physics
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein MS Other Chemistry
Earth Science
Physics
Biology
MS and HS TEK to Sim Alignment Elyse Zimmer MS
HS
Other Chemistry
Biology
Physics

Language Download or Run Tips
Basque All Basque Download Run now MRI sinplifikatua
Belarusian All беларускі Download Run now Спрошчаны МРТ
Bosnian All Bosanski Download Run now MRI-NAJJEDNOSTAVNIJE
Chinese (Simplified) All 中文 (中国) Download Run now 简化的核磁共振NMR
Chinese (Traditional) All 中文 (台灣) Download Run now 簡化的磁共振造影MRI
Croatian All hrvatski Download Run now Shema MRI
Danish All Dansk Download Run now Forenklet MR
Dutch All Nederlands Download Run now Vereenvoudigd MRI
French All français Download Run now IRM simplifiée
German All Deutsch Download Run now Kernspintomographie ganz einfach
Greek All Ελληνικά Download Run now Μαγνητική Τομογραφία
Hebrew All עברית Download Run now MRI פשוט
Hungarian All magyar Download Run now MRI & NMR
Indonesian All Bahasa Indonesia Download Run now MRI Sederhana
Italian All italiano Download Run now RMI semplificata
Japanese All 日本語 Download Run now MRI(磁気共鳴画像装置)
Kannada All Kannada Download Run now ಸರಳ MRI
Kazakh All Kazakh Download Run now Жеңілдетілген МРТ
Korean All 한국어 Download Run now 간이 MRI
Macedonian All македонски Download Run now Едноставен МРИ
Mongolian All Монгол (Монгол) Download Run now Хялбаршуулсан MRI
Persian All فارسی Download Run now شبیه سازی ساده ای از ام آر آی
Polish All polski Download Run now Uproszczony MRI
Portuguese All português Download Run now MRI Simplificada
Portuguese (Brazil) All português (Brasil) Download Run now IRM Simplificada
Russian All русский Download Run now Упрощённый МРТ
Serbian All Српски Download Run now MRI -НАЈЈЕДНОСТАВНИЈЕ
Slovak All Slovenčina Download Run now Magnetická rezonancia
Spanish All español Download Run now MRI Simplificado
Spanish (Mexico) All español (México) Download Run now IRM Simplificado
Spanish (Peru) All español (Perú) Download Run now IRM Simplificado
Swedish All svenska Download Run now Förenklad MRI(MRT)
Thai All ไทย Download Run now แบบจำลอง MRI
Turkish All Türkçe Download Run now Basitleştirilmiş MRG
Turkmen All Turkmen Download Run now Ýönekeýleşdirlen magnit rezonansly şekillendirme (MRI)
Vietnamese All Tiếng Việt Download Run now MRI

Windows Macintosh Linux
Microsoft Windows
XP/Vista/7/8.1/10
Latest version of Java
OS X 10.9.5 or later
Latest version of Java
Latest version of Java

Design Team Third-party Libraries Thanks To
  • Michael Dubson
  • Ron LeMaster (developer)
  • Sam McKagan
  • Kathy Perkins
  • Carl Wieman
  • Interviewer: Danielle Harlow