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  • NGSS.MS.PS4.2 - Develop and use a model to describe that waves are reflected, absorbed...
  • NGSS.MS.PS4.2 - Develop and use a model to describe that waves are reflected, absorbed...
Tell Me the Odds (of Cancer)
Read the Fine Print
Educational Use
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Through four lessons and three hands-on activities, students learn the concepts of refraction and interference in order to solve an engineering challenge: "In 2013, actress Angelina Jolie underwent a double mastectomy, not because she had been diagnosed with breast cancer, but merely to lower her cancer risk. But what if she never inherited the gene(s) that are linked to breast cancer and endured surgery unnecessarily? Can we create a new method of assessing people's genetic risks of breast cancer that is both efficient and cost-effective?" While pursuing a solution to this challenge, students learn about some high-tech materials and delve into the properties of light, including the equations of refraction (index of refraction, Snell's law). Students ultimately propose a method to detect cancer-causing genes by applying the refraction of light in a porous film in the form of an optical biosensor. Investigating this challenge question through this unit is designed for an honors or AP level physics class, although it could be modified for conceptual physics.

Subject:
Applied Science
Engineering
Health, Medicine and Nursing
Material Type:
Full Course
Unit of Study
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Caleb Swartz
Date Added:
09/18/2014
Try This at Home: Waves demo
Conditional Remix & Share Permitted
CC BY-NC
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Do you know how waves work? Do you know what they have to do with stealth technology? Find out in this hands on demo that you can try at home.

Subject:
Physical Science
Material Type:
Activity/Lab
Author:
National Air and Space Museum
Date Added:
09/07/2022
Types and Properties of Waves
Unrestricted Use
CC BY
Rating
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In this hands on, exploratory lesson of waves, students will learn about longitudinal and transverse waves. Through mathematical reasoning, students will describe relationships between aspects of waves and a wave’s relative amount of energy. Students will use questioning skills to push the lesson along and facilitate engagement and discovery. The use of hands on models will help the students to discover relationships and characteristics of waves and go on to create their own models. Students will be able to...identify sound waves as longitudinal waves that travel through a mediumrecognize the dB levels of everyday soundsunderstand energy causes the vibrations that allow the sound waves to travel.

Subject:
Physical Science
Material Type:
Activity/Lab
Homework/Assignment
Interactive
Author:
Jeremy Burns
Date Added:
05/24/2021
Ultrasound Imaging
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Educational Use
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Students learn about ultrasound and how it can be used to determine the shapes and contours of unseen objects. Using a one-dimensional ultrasound imaging device (either prepared by the teacher or put together by the students) that incorporates a LEGO(TM) MINDSTORMS(TM) NXT intelligent brick and ultrasonic sensor, they measure and plot the shape of an unknown object covered by a box. Looking at the plotted data, they make inferences about the shape of the object and guess what it is. Students also learn how engineers use high-frequency waves in the design of medical imaging devices, the analysis of materials and oceanographic exploration. Pre/post quizzes, a worksheet and a LEGO rbt program are provided.

Subject:
Applied Science
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Violet Mwaffo
Date Added:
10/14/2015
Using a Fancy Spectrograph
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Educational Use
Rating
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Students use the spectrograph from the "Building a Fancy Spectrograph" activity to gather data about different light sources. Using the data, they make comparisons between the light sources and make conjectures about the composition of these sources.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Emily Gill
Date Added:
10/14/2015
The Wave Combinator
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Learn how waves interact when Yard characters Jack and Francis find a mysterious wave combinator in the yard.
In this game players must learn about simple waves that can be described by their amplitude, wavelength and offset. This puzzle game allows players to combined two waves to form a new wave, following rules of constructive and deconstructive interference.

Wave Properties
Developing and Using Models
Amplitude, Offset, Wavelength, Frequency

Subject:
Physical Science
Material Type:
Activity/Lab
Game
Interactive
Simulation
Provider:
University of Wisconsin
Provider Set:
The Yard Games
Date Added:
08/04/2016
Wave on a String
Unrestricted Use
CC BY
Rating
0.0 stars

Watch a string vibrate in slow motion. Wiggle the end of the string and make waves, or adjust the frequency and amplitude of an oscillator. Adjust the damping and tension. The end can be fixed, loose, or open.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Danielle Harlow
Michael Dubson
Wendy Adams
Date Added:
05/03/2006
Wave on a String (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

Watch a string vibrate in slow motion. Wiggle the end of the string and make waves, or adjust the frequency and amplitude of an oscillator. Adjust the damping and tension. The end can be fixed, loose, or open.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Danielle Harlow
Michael Dubson
Wendy Adams
Date Added:
06/02/2008
What's New in Aerospace: NASA's X-59 Supersonic X-Plane
Conditional Remix & Share Permitted
CC BY-NC
Rating
0.0 stars

QueSST will test technology to fly faster, quieter, and more efficiently, and data gathered from the X-59 will pave the way for commercial supersonic flight over land.

Subject:
Applied Science
Computer Science
Engineering
Material Type:
Lecture
Provider:
National Air and Space Museum
Author:
National Air and Space Museum
Date Added:
03/18/2021
When Silicon Talks
Read the Fine Print
Educational Use
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In the first half of this two-part activity, students practice solving problems involving refraction using the index of refraction and Snell's law equations; they mathematically solve for precise angles and speeds caused by refraction. In the second half of the activity, a hands-on lab, they apply the analytical skills required by the problem set to reflectance measurements of porous silicon thin films, including how reflectance measurements would change if various aspects of the film were altered. Students predict the data output in the form of reflectance measurements when samples are altered, which connects to the idea of being able to make predictions about the data output of a biosensing thin film that couples with a target molecule.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Caleb Swartz
Date Added:
09/18/2014