TeachEngineering
Teach Engineering: Beating the Motion Sensor
Lighting is responsible for nearly one-third of the electricity use in buildings. One of the best ways to conserve energy is to make sure the lights are turned off when no one is in a room. This process can be automated using motion...
TeachEngineering
Teach Engineering: Don't Bump Into Me!
Students' understanding of how robotic ultrasonic sensors work is reinforced in a design challenge involving LEGO MINDSTORMS NXT robots and ultrasonic sensors.
TeachEngineering
Teach Engineering: How Does an Ultrasonic Sensor Work?
Students learn how ultrasonic sensors work, reinforcing the connection between this sensor and how humans, bats, and dolphins estimate distance.
Science Buddies
Science Buddies: How Does the Intensity of Light Change With Distance?
How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and...
Fundación Cientec
Cientec: Modelo
This page includes suggestions for experiments that allow you to explore the transmission of waves, the stability of structures, the resistance of materials and more.
Khan Academy
Khan Academy: Doppler Effect Review
Review key terms and skills for the Doppler effect, including how to interpret wavefront diagrams.
TED Talks
Ted: Ted Ed: How to Squeeze Electricity Out of Crystals
It might sound like science fiction, but if you press on a crystal of sugar, it will actually generate its own electricity. Ashwini Bharathula explains how piezoelectric materials turn mechanical stress, like pressure, sound waves and...
Exploratorium
Exploratorium: The Ear Guitar
This simple activity helps students understand the role of vibration in producing sound.
ClassFlow
Class Flow: Good Vibrations
[Free Registration/Login Required] This flipchart is intended to introduce fifth grade students to the science of musical instruments. Concepts covered include wind, percussion, and string instruments. Also, the relationship between...
PBS
Pbs Teachers: Make a Guitar, Vibration Experiment
Experience how vibrations make sound by constructing a guitar using rubber bands and a cereal box.
Science Education Resource Center at Carleton College
Serc: Investigation of Pitch and Rate of Vibration
An inquiry lesson where students explore pitch and the rate of vibration. Students will look at how the rate of vibration which creates pitch is affected by the size of the object studied.
Famous Scientists
Famous Scientists: Ernst Mach
Read about the life and work of this Austrian physicist and philosopher, known for his contributions to physics with the Mach number and the study of shock waves.
Other
Arab Physics
While some of the pages on this site have yet to be filled, the pages that are complete are comprehensive. For example, pages on friction, heat, and the Doppler effect are illustrated and explain relevant formulas. A biography page...
Curated OER
Kids Health: Taking Care of Your Ears
An informative site that deals with the parts of the ear and their functions. Text is complemented with pictures.
Treehut
Suzy's World: Ears
Find out how your ears work and try an experiment involving your hearing.
PBS
Pbs Teachers: Scientific American: Expedition Panama: Echoes in the Night
Explore your prior knowledge about bats and investigate bats' use of echolocation to identify and catch prey. Design a game like "Marco Polo" to demonstrate echolocation.
Other
Sweetwater.com: What Is Infrasonic?
This resource features a basic definition of infrasonic. It also explains the difference between infrasonic and subsonic.
Bill Nye
Bill Nye: My How Time Flies
Try this at-home science experiment to learn about the Doppler Effect.
PBS
Pbs: Rough Science
Website companion to PBS show, "Rough Science," in which five scientists use their collective expertise to complete a series of tasks. Follow the scientists as they do things like generate electricity, make soap, make antibacterial...
Other
Marconi Corporation: Marconi Calling
Read about Guglielmo Marconi's life and his scientific achievements in the realm of radio and communications. Hear wireless transmissions, and use the interactive timeline to see the development and use of Marconi's achievements.
TeachEngineering
Teach Engineering: Musical Images
Students are introduced to the concept of the image of music. After listening to a song, they draw images of it by deciding where different musical instruments were placed during recording. They further investigate audio engineering by...
Science Buddies
Science Buddies: Measuring Vibrational Frequency With Light
Strike a key on the piano, and you hear the string vibrating. Just about any object vibrates when it's knocked, but how much and how fast? This project helps you find out. You'll build a simple light-sensing circuit for measuring the...
Science Buddies
Science Buddies: Guitar Fundamentals: Wavelength, Frequency, & Speed
This is a rockin' project for guitarists with an interest in the physics behind music. If you have ever wondered why the pitch of the note changes when you fret the string, this project will help you understand by applying basic...
Science Buddies
Science Buddies: How to Make a Piano Sing
The renowned pianist Vladimir Horowitz once said, "The most important thing is to transform the piano from a percussive instrument into a singing instrument." In this lab, you will learn about sympathetic vibrations, a method used to...
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