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Library of 3383 accessible STEM media resources.
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How does sound behave in different environments? A team answers this question by studying the acoustic energy and sound pressure levels of rock band playing in an indoor stadium. They compare their findings to recital taking place at an outdoor venue.
(Source: DCMP)
A wave carries energy from one point to another through a medium. Types of waves include light, sound, electromagnetic, mechanical, transverse, and longitudinal. Explores a wave's characteristics, such as amplitude, frequency, and wavelength. Also presents the four ways waves interact with mediums. Defines terminology as it is introduced. Quiz after summary.
Students investigate the features of vibrations and waves. Examples of these phenomena help students understand how sounds are formed, how light travels, and how ocean waves move. Students also explore different types of waves such as microwaves, radio waves, and seismic waves. Concepts and terminology include vibration, energy, wave, light, and sound.
Technology and science are working to restore, replace, and supercharge the powerful human sense of hearing. Meet a man who is blind whose hearing is so acute that he can navigate a bicycle by the sound of the echo of a click. This episode also highlights some of the advances made in hearing aids and work being done by researchers to use sound to improve cognition and memory during sleep. Part of the “Human + The Future of Our Senses” series.
Elisa Konofagou, a bioengineer at Columbia University, believes ultra sound technology could become be a vital component in treating and perhaps curing degenerative brain diseases. One big problem associated with treating these diseases today is a chemical shield of sorts that protects the brain against chemicals in the blood. Unfortunately, it also keeps out many drug treatments. Konofagou believes ultrasound waves could be one key to turning the blood/brain barrier on and off.
Wilbur the puppet introduces preschool children to familiar farm animals and the sounds they make. Encourages viewers to imitate the sounds of pigs, horses, roosters, sheep, dogs, ducks, rabbits, chicks and hens, donkeys, cats, goats, geese, and cows. Shows both adult and baby animals. No factual information given.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei are resting as the day is fading. Suddenly, they hear a strange sound coming from behind the mountain that resonates throughout the village. The two friends go off to find the source of this strange sound and what they see surprises them. Two men are blowing into what look like long horns while others walk along with them and sing. They head back towards their village, confident that they have solved the mystery of the echo.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, on that night the tide was low and the boat had been beached. Moko and Alarick were playing percussion and flute to pass the time. Suddenly, it was as if their music was being accompanied by a strange singing. They decided to investigate the source of this strange new sound. Walking along a hilly path in the forest, they were surrounded by hundreds of tall rocks that stood like humans in the dusk. A gust of wind blew and they could once again hear the bizarre song. Frightened at first, Moko and Alarick decided that the rocks were singing as a choir and the joined them with their instruments. When the wind fell, they regained their boat, happy to have participated in the symphony of the singing stones who were probably lonely and wanted to attract visitors.
In January 2014, host Emily Graslie accompanied Curator of Mammals, Bruce Patterson, on a field expedition into the bat caves of Kenya. In this second installment, the researchers collect bats at night. The next morning they release the captured bats and try to record the "sounds" made by the different species. Part of "The Brain Scoop" series.
What are the different features of each instrument? While attending a concert by the Youth Orchestra of Bariloche, a team analyzes the different scientific and technological aspects related to sound and music. Part of Invisible Science and Technology Surrounding Series.
What is frequency? Why is it so important for radio and sound waves? Adabot gets all the answers from Ladyada and a new friend. Part of the "Circuit Playground" series.
As millions of receptors in the human nervous system respond automatically to light, sound, touch, and smell, and send information to the brain, the body acts. Explores a condition amputees experience known as "phantom pain" or "phantom limb." Also explains how the blind "see" words with the receptors in their hands.
In this episode, host Dianna Cowern studies the power of sound. She joins a group of performers to experiment with the powerful speakers at U Street Music Hall in Washington, DC. Part of the "Physics Girls" series. Please note this video may potentially trigger seizures for viewers with photosensitive epilepsy.
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the steps of making scientifically sound observations. Part of the Science Video Vocab series.
Energy is all around and in many forms. Real-life examples of energy provide relevance and meaning to students. Special emphasis is paid to heat energy and how it can be measured. Concepts and terminology explored include energy of motion, light, sound, electrical energy, heat, and thermometer.
While hard at work on her chores, an ant hears wonderful music coming from the distance. Although she knows she should focus on the task at hand, she can't help but explore the joyful noise. Based on the children's book by Rebecca Emberley.
America’s largest recorded earthquake happened on March 27, 2014 in Alaska. United States Geological Survey (USGS) sent geologists to study the impact and effects of the earthquake. The information gathered from the aftermath was essential in resolving key mechanisms of the developing theory of plate tectonics.
Rendered in woodcut-inspired 2-D, this short animation serves as a comic warning about the devastating effects of clear-cutting rain forests. The story unfolds in a lush jungle inhabited with exotic creatures. Suddenly, a chain saw can be heard in the distance, followed by the sound of trees crashing to the ground.
Describes how the sound and pictures from a live event get from the camera to the home television screen. Provides a history of television, explaining the switch from black and white to color. Notes the advantages of digital signals over analog. Considers the future of television. Looks at a new technique, digital video compression, in which television signals are received through phone lines.
The ears are a masterpiece of miniature engineering, and our link to the world of sound. But their most important role is that they contain the tiny tubes that control our sense of balance. Presents the functions and parts of the ear in this look at the anatomy of hearing, speech, and balance. Graphics and microphotography vividly illustrate each part of the ear.
Showing collections 1 to 3 of 3
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