Different Colored Fireworks

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Presentation transcript:

Different Colored Fireworks Copyright © Cengage Learning. All rights reserved

Questions to Consider Why do we get colors? Why do different chemicals give us different colors?  Copyright © Cengage Learning. All rights reserved

Electromagnetic Radiation One of the ways that energy travels through space. Three characteristics: Wavelength Frequency Speed  Copyright © Cengage Learning. All rights reserved

Characteristics Wavelength ( ) – distance between two consecutive peaks or troughs in a wave.  Frequency ( ) – number of waves (cycles) per second that pass a given point in space Speed (c) – speed of light (2.9979×108 m/s) Copyright © Cengage Learning. All rights reserved

The Nature of Waves

Classification of Electromagnetic Radiation Copyright © Cengage Learning. All rights reserved

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