Waves and Electromagnetic Radiation
The term spectrum, first used to refer to the range of colors observed through a prism, is now applied in physical science to any signal that can be measured or decomposed along a continuous variable.
© Baylor College of Medicine\JP Denk.
Electromagnetism, electromagnetic spectrum, spectrum, radiation, visible light, prism, refraction, diffraction, dispersion, optics, radio waves, sound, sound waves, microwaves, reflection, frequency, wavelength, amplitude, oscillation, velocity, direction, wavelength, transverse waves, longitudinal waves, transmission, absorption, ultraviolet radiation, x-ray, infrared, infrared radiation, photon, gamma rays, electrical field, magnetic field
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Rainbow in the Room
Lesson
Students learn about colors, prisms and light, and draw their own rainbows in the proper color sequence.
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Using Heat from the Sun
Lesson
Students conduct a discovery activity that allows them to observe how energy from sunlight can heat water.
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Static Electricity
Presentation
Electrify your science teaching! Static electricity is an electric charge on the surface of an object. Watch the sparks produced by a Van de Graaff generator, find out how lightning is created, and see how static charges attract and repel.