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Electromagnetic Waves

the BIG idea. CHAPTER OUTLINE. CHAPTER RESOURCES. CHAPTER. NEW CHAPTER. Electromagnetic Waves. Electromagnetic Waves. Electromagnetic waves transfer energy through radiation. 3.1. Electromagnetic waves have unique traits. 3.2. Electromagnetic waves have many uses. 3.3.

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Electromagnetic Waves

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  1. theBIGidea CHAPTER OUTLINE CHAPTER RESOURCES CHAPTER NEW CHAPTER Electromagnetic Waves Electromagnetic Waves Electromagnetic waves transfer energy through radiation. 3.1 Electromagnetic waves have unique traits. 3.2 Electromagnetic waves have many uses. 3.3 The Sun is the source of most visible light. 3.4 Light waves interact with materials.

  2. VISUALIZATION Learn more about the nature of EM waves. 3.1 Electromagnetic waves have unique traits. electromagnetic wave • Electromagnetic (EM) waves are made of vibrating electric and magnetic fields. radiation • EM waves travel at the speed of light through a vacuum. • EM waves transfer energy and can interact with matter. CHAPTER RESOURCES SECTION OUTLINE

  3. 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum radio waves microwaves visible light infrared light ultraviolet light SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  4. Gamma Rays Infrared Light Ultraviolet Light Radio Waves Microwaves X-rays Visible Light 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves radio waves microwaves visible light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  5. Gamma Rays Infrared Light Ultraviolet Light Radio Waves Microwaves X-rays Visible Light 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves radio waves microwaves microwaves visible light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  6. Ultraviolet Light Gamma Rays Infrared Light Radio Waves X-rays Visible Light Microwaves 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves radio waves microwaves microwaves visible light infrared light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  7. Ultraviolet Light Gamma Rays Infrared Light Radio Waves X-rays Visible Light Microwaves 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves radio waves microwaves microwaves visible light infrared light visible light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  8. Ultraviolet Light Gamma Rays Infrared Light Radio Waves X-rays Visible Light Microwaves 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves radio waves ultraviolet light microwaves microwaves visible light infrared light visible light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  9. Gamma Rays Infrared Light Ultraviolet Light Radio Waves Microwaves X-rays Visible 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves ultraviolet light radio waves microwaves x-rays microwaves visible light infrared light visible light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  10. Gamma Rays Infrared Light Ultraviolet Light Radio Waves Microwaves X-rays Visible 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves ultraviolet light radio waves microwaves x-rays microwaves visible light gamma rays infrared light visible light infrared light ultraviolet light Frequency in Hertz (1 hertz = 1 wavelength/second) SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  11. VISUALIZATION CLASSZONE.COM Explore images of the Sun based on different wavelengths. 3.2 Electromagnetic waves have many uses. EM waves are grouped by frequency on the EM spectrum. EM spectrum The EM spectrum is divided into: radio waves ultraviolet light radio waves microwaves x-rays microwaves visible light gamma rays infrared light visible light infrared light ultraviolet light SECTION OUTLINE x-rays gamma rays CHAPTER RESOURCES SECTION OUTLINE

  12. 3.3 The Sun is the source of most visible light. • Most visible light comes from the Sun. incandescence • Many living organisms produce visible light for their own use. luminescence bioluminescence fluorescence CHAPTER RESOURCES SECTION OUTLINE

  13. Halogen Light Bulb Incandescent Light Bulb Fluorescent Light Bulb 3.3 The Sun is the source of most visible light. • Most visible light comes from the Sun. incandescence • Many living organisms produce visible light for their own use. luminescence bioluminescence • Humans produce visible light artificially. fluorescence CHAPTER RESOURCES SECTION OUTLINE

  14. 3.4 Light waves interact with materials. • Reflection, transmission, and absorption affect what light we see. transmission absorption • Light can be scattered and polarized. scattering polarization prism primary colors primary pigments CHAPTER RESOURCES SECTION OUTLINE

  15. 3.4 Light waves interact with materials. • Visible light is made up of individual color wavelengths. transmission absorption scattering polarization prism primary colors primary pigments CHAPTER RESOURCES SECTION OUTLINE

  16. 3.4 Light waves interact with materials. • The primary colors are red, blue, and green. transmission absorption scattering polarization prism primary colors primary pigments CHAPTER RESOURCES SECTION OUTLINE

  17. 3.4 Light waves interact with materials. • The primary pigments are yellow, cyan, and magenta. transmission absorption scattering polarization prism primary colors primary pigments CHAPTER RESOURCES SECTION OUTLINE

  18. 3.1 Electromagnetic waves have unique traits. I. Electromagnetic waves have unique traits. electromagnetic wave • A. An electromagnetic wave is a disturbance in • a field. radiation • 1. How EM Waves Form • 2. Sources of EM Waves • B. Electromagnetic waves can travel in a vacuum. • 1. How EM Waves Travel in a Vacuum • 2. The Speed of EM Waves in a Vacuum • C. Electromagnetic waves can interact with a material medium. CHAPTER RESOURCES • 1. Transferring Energy • 2. Converting Energy from One Form • to Another KEY CONCEPT SUMMARY

  19. 3.2 Electromagnetic waves have many uses. II. Electromagnetic waves have many uses. EM spectrum A. EM waves have different frequencies. radio waves • 1. The Electromagnetic Spectrum • 2. Measuring EM Waves microwaves • B. Radio waves and microwaves have long wavelengths and low frequencies. visible light infrared light • 1. Radio Waves • 2. Microwaves ultraviolet light • C. Infrared, visible, and ultraviolet light have mid-range wavelengths and frequencies. x-rays gamma rays • 1. Infrared Light CHAPTER RESOURCES • 2. Ultraviolet Light • D. X-rays and gamma rays have short wavelengths and high frequencies. KEY CONCEPT SUMMARY

  20. 3.3 The Sun is the source of most visible light. III. The Sun is the source of most visible light. incandescence • A. Light comes from the Sun and other natural sources. luminescence bioluminescence • B. Some living things produce visible light. • C. Human technologies produce visible light. fluorescence • 1. Incandescent and Fluorescent Lighting • 2. Other Types of Artificial Lighting CHAPTER RESOURCES KEY CONCEPT SUMMARY

  21. 3.4 Light waves interact with materials. IV. Light waves interact with materials. transmission • A. Light can be reflected, transmitted, or absorbed. absorption • 1. How Materials Transmit Light scattering • 2. Scattering polarization • 3. Polarization prism • B. Wavelength determines color. primary colors • 1. Color Reflection and Absorption primary pigments • 2. Primary Colors of Light • 3. Primary Pigments CHAPTER RESOURCES KEY CONCEPT SUMMARY

  22. CLASSZONE.COM CHAPTER HOME Chapter Resources Image Gallery Click here to view chapter images and animations Click on the items below to access resources on Resource Centers Get more information on select science topics Audio Readings Hear chapter audio readings Content Review Review key concepts and vocabulary Standardized Test Practice Practice state standardized tests Math Tutorial Review math concepts BACK TO CHAPTER

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