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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

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.


Electromagnetic waves

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


Electromagnetic waves have many uses

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


Electromagnetic waves have many uses1

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


Electromagnetic waves have many uses2

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


Electromagnetic waves have many uses3

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


Electromagnetic waves have many uses4

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


Electromagnetic waves have many uses5

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


Electromagnetic waves have many uses6

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


Electromagnetic waves have many uses7

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


Electromagnetic waves have many uses8

VISUALIZATION

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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


The sun is the source of most visible light

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


The sun is the source of most visible light1

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


Light waves interact with materials

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


Light waves interact with materials1

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


Light waves interact with materials2

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


Light waves interact with materials3

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


Electromagnetic waves

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


Electromagnetic waves have many uses9

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


The sun is the source of most visible light2

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


Light waves interact with materials4

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


Chapter resources

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