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The scientists explore the absorbency of rice. They will also create a pendulum wave machine and make the perfect paper plane. Part of the House of Science Series.
(Source: DCMP)
Everyday examples and laboratory experiments explain and demonstrate the concept of waves as they relate to physics. Three segments cover the characteristics of transverse and longitudinal waves and the reflection and refraction of waves. Complex physics is made clearer by the lab demonstrations.
Music is the art of combining sounds according to an artistic criterion and is a form of human expression. Musicians such as Richard Strauss and Arnold Schoenberg were interested in seeking new quality tone and sounds in the orchestra by adding new, nontraditional instruments. In 1909, Luigi Russolo in his "Futurist Manifesto" spoke about combining sounds from machines and non-traditional musical instruments and combining those sounds with an artistic criterion based on the imagination of the composer. But what role do technological advances play in the creative development and composition of music?
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.
When an earthquake hits, it sends seismic waves through the ground. Find out about seismic waves in this animation.
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.
Students explore the various types of simple machines and their impact on work and power. Students also learn how to calculate work and power. Other topics covered include joule, watt, efficiency, mechanical advantage, screw, inclined plane, lever, fulcrum, wedge, pulley, wheel, and axle.
Waves are all around. They are a disturbance that travels through space and matter transferring energy from one place to another. Find out about the nature, shapes, and impacts of waves in this animation.
Longitudinal waves carry energy through air, water, and solids. They compress and expand the medium in the same direction as the energy is transferred.
Harnessing energy from the waves of the world’s oceans seems like the ultimate in renewable fuel. With funding from the National Science Foundation, Electrical engineer Annette von Jouanne is leading efforts to capture wave energy, by creating simple, powerful devices that can withstand heavy winds, monster waves, and corrosive salt water. Oregon State University research now underway is based on ocean buoy generators. As ocean swells hit the buoy, electrical coils inside move through a magnetic field, inducing a voltage, and creating electricity.
Is light composed of waves or particles? Explores the wave model of light from its earliest roots to our modern understanding of electromagnetism in 17 computer-animated video modules. Expresses Empedocles' belief that light streams from the eye, Aristotle's conception of light as a disturbance in ether, and Euclid's mathematical, ray-centered paradigms. Presents the Cartesian sine wave model, Huygens' principle of bending wave fronts, the electromagnetic spectrum, and aspects of particle theory. Provides an overview of diffraction, interference, polarization, and dispersion. Also explains Young's double-slit experiment.
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 is enjoying the seashore on the beach when Mei-Lei comes to get him to go fishing. They sail out into the sea and in the distance Moko sees what looks like a hill. Mei-Lei tells him that is actually a giant wave! All of a sudden, the tsunami lifts their boat high into the air and propels it forward. The wave crashes down and drops their boat right at the entrance to the village. Moko believes that they were kept safe because he knew to trust the ocean.
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on the term wave. Part of the Science Video Vocab Series.
What is the science behind a teeter-totter or slide? Students learn about simple machines as they explore the playground. Part of the “Everyday Science for Preschoolers” series.
There’s a new renewable energy player in town, and it’s about to make waves in the industry. Despite its massive potential as a source for renewable energy, the ocean is unlikely to contribute meaningfully to electricity supplies without dramatic, innovation-driven reductions in the cost of energy conversion. That’s where engineers Balky Nair, Rahul Shendure, and Tim Mundon come in with their company, Oscilla Power. With support from the National Science Foundation, they’re developing a utility-scale wave energy harvester called the Triton. This technology shows promise as a means for delivering utility-scale electric power to the grid at a price that is competitive with conventional fossil or renewable technologies. Part of the National Science Foundation Series “Science Nation.”
From a table at a bar, on a corner of the city of Buenos Aires, we discovered the nature of some of the “wave motion phenomenon” that surrounds us. Some of these were radio and TV waves or the ones from the microwave in the kitchen, solar light, X-rays and cosmic waves.
What is a seismic wave? Which of the four types is most destructive? Discover the science behind earthquakes with this animated video.
Students will learn how light is measured. Visual diagrams and hands-on experiments help students understand how light works. Important terminology includes wave, electromagnetic spectrum, wavelength, energy, reflection, lens, and prism.
